ASX Glossary - D: Difference between revisions

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    <table>
<table>
<tr id="ASX">
<tr>
    <td class="term" style="text-align: center; font-size: 1em">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=AviationSafetyX" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Center_of_gravity_of_an_aircraft" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Datum Line
            AviationSafetyX<br>and
         </a>
        </a> <br>
        <span style="color: #00ffe3; font-size: 1em;">ASX Wikibase</span>
        <br>
        <img src="https://www.alsresume.com/wp-content/uploads/2025/03/ASX-icon.jpg"
            alt=“A”SXWiki
            style="display: block; margin: 10px auto; width: 80px; height: auto;">
    </td>
    <td class="description">
        <a href="https://wiki.alsresume.com/index.php?title=AviationSafetyX" target="_blank"
          style="color: #00ff01; font-weight: bold; text-decoration: none; cursor: pointer;"
          onmouseover="this.style.color='#ff4f01';"
          onmouseout="this.style.color='#00ff01';">
            AviationSafetyX
        </a> is a comprehensive aviation safety and knowledge hub, offering expertly curated articles, resources, and visual content dedicated to flight safety, air accident investigation, aircraft systems, and operational integrity. With a database exceeding 5,000 articles, it serves aviation professionals, students, and enthusiasts worldwide. Built on decades of experience, ASX blends technical precision with bold, immersive presentation to enhance aviation understanding, reduce risk, and ultimately help save lives.
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/03/ASX-2x-Logo-thumb.jpg" alt="177th FW NJANG Jersey Devils">
    </td>
</tr>
<tr id="177th-fw-njang-jersey-devils">
    <td class="term" style="text-align: center;">
        <a href="https://wiki.alsresume.com/index.php?title=177th_Fighter_Wing" target="_blank"
          style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"
          onmouseover="this.style.color='#ff4f01';"
          onmouseout="this.style.color='#40E0D0';">
            177th FW NJANG
         </a> <br>
        <span style="color: #ac001f; font-style: italic; font-size: 1.2em;">Jersey Devils</span>
        <br>
        <img src="https://www.alsresume.com/wp-content/uploads/2025/03/Jersey-Devils.png"
            alt="Jersey Devils Logo"
            style="display: block; margin: 10px auto; width: 80px; height: auto;">
    </td>
    <td class="description">
        The <a href="https://www.177fw.ang.af.mil/" target="_blank"
          style="color: #00ff01; font-weight: bold; text-decoration: none; cursor: pointer;"
          onmouseover="this.style.color='#ff4f01';"
          onmouseout="this.style.color='#00ff01';">
            177th Fighter Wing (177 FW)
        </a> of the NJANG, the Jersey Devils, currently operate F-16C Fighting Falcons out of
        <span style="color: #00ff01; font-weight: bold; text-decoration: none; cursor: pointer;"
              onmouseover="this.style.color='#ff4f01';"
              onmouseout="this.style.color='#00ff01';"
              onclick="window.open('https://www.google.com/maps/place/39%C2%B027%2729.77%22N+74%C2%B035%2710.47%22W/@39.458269,-74.586242,17z', '_blank')">
            Atlantic City's International Airport (ACY)
        </span>. Tasked with air defense and homeland security, it supports both state and federal missions, including NORAD’s Aerospace Control Alert. The unit, the last operator of the Convair F-106 Delta Dart, has a proud history of combat deployments and domestic operations.
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/03/Jersey-Devils.jpg" alt="177th FW NJANG Jersey Devils">
     </td>
     </td>
<td class="description">A reference line set by aircraft manufacturers for measuring distances and locations on an aircraft. It is used in weight and balance calculations to determine the center of gravity. The datum is typically an arbitrary point chosen by the manufacturer to maintain consistency in measurement across different aircraft designs.</td>
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Datum.jpg" alt="Thumbnail"></td>
</tr>
</tr>


<tr id="Automatic Direction Finder (ADF)">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Automatic_direction_finder" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Dead_reckoning" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Dead Reckoning
          Automatic Direction Finder (ADF)
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A navigation technique where an aircraft’s position is estimated based on speed, time, and direction from a known position, rather than relying on external navigation aids. It is often used when GPS or radio navigation is unavailable. Pilots must account for wind drift and deviations to ensure accurate course tracking.</td>
        A navigation device that receives radio signals from non-directional beacons (NDBs) and displays the bearing to the beacon. Pilots use the ADF for en-route navigation, approaches, and situational awareness, particularly in areas lacking modern navigation aids like GPS or VORs.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Dead-Reconing.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/ADF.jpg" alt=“ADF”>
    </td>
</tr>
</tr>


<tr id="Aerodynamics">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Aerodynamics" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Deck_Angle" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Deck Angle
          Aerodynamics
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">The angle between the aircraft's longitudinal axis and the horizontal plane. It is critical during takeoff, landing, and certain maneuvers. A high deck angle can indicate a nose-high attitude, while a low deck angle may suggest a nose-down flight condition, affecting aerodynamic stability and performance.</td>
        The study of air movement and its interaction with solid objects, such as aircraft. Aerodynamics focuses on lift, drag, thrust, and airflow, determining how an aircraft performs and handles under various flight conditions. Effective aerodynamic design enhances fuel efficiency, speed, and safety.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Deck-Angle.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Aerodynamics.jpg" alt="Aerodynamics">
    </td>
</tr>
</tr>


<tr id="Aerodrome">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Aerodrome" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Deicing_boot" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Deicing Boots
          Aerodrome
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">Rubber structures placed on the leading edges of wings and tail surfaces that expand and contract to break off accumulated ice. They are crucial for aircraft flying in icy conditions, preventing the buildup of ice that can disrupt airflow, reduce lift, and increase drag, leading to potential loss of control.</td>
        A location for aircraft operations, encompassing runways, taxiways, aprons, hangars, and control towers. Aerodromes range from small airstrips for general aviation to large airports with international capabilities, serving passengers, cargo, and military needs.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Deicing-Boots.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Aerodrome.jpg" alt="Aerodrome">
    </td>
</tr>
</tr>


<tr id="Aeronautical Chart">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Sectional_aeronautical_chart" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Density_Altitude" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Density Altitude
          Aeronautical Chart
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">The pressure altitude corrected for temperature variations. It represents the altitude at which an aircraft “feels” it is flying based on air density. High-density altitude results in reduced engine power, propeller efficiency, and lift, making takeoff and climb performance significantly weaker in hot and high-altitude conditions.</td>
        A specialized map for pilots, detailing airspace, navigation aids, terrain, and airport data. Aeronautical charts assist in planning and executing flights, ensuring pilots avoid restricted areas and maintain safe routes.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Density-Altitude.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Aeronautical-Chart.jpg" alt="Aeronautical Chart">
    </td>
</tr>
</tr>


<tr id="Aileron">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Aileron" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Standard_instrument_departure" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Departure Procedure (DP)
          Aileron
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A standardized route for aircraft departing an airport, ensuring separation from obstacles and other air traffic. These procedures are either pilot-navigated or radar-vectored and help streamline departures, allowing for smooth transitions into en-route airspace while ensuring safe clearance from surrounding terrain.</td>
        A hinged control surface on the trailing edge of an aircraft's wing. Ailerons operate in opposite directions on each wing to control the aircraft's roll, allowing it to bank or turn while maintaining lateral stability.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Departure.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Ailerons.jpg" alt="Aileron">
    </td>
</tr>
</tr>


<tr id="Air Traffic Control (ATC)">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Air_traffic_control" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Dependent_Parallel_Approaches" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Dependent Parallel Approaches
          Air Traffic Control (ATC)
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A type of approach where two aircraft land simultaneously on parallel runways that are spaced close together. Air traffic controllers monitor and manage aircraft separation using strict sequencing. These approaches increase airport efficiency but require precise coordination and compliance with established separation minimums.</td>
        A service provided by trained personnel to direct aircraft during all phases of flight. ATC ensures safe separation between aircraft, coordinates departures and arrivals, and provides critical information like weather updates and runway conditions.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Paralelle-Approach.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/ATC.jpg" alt="Air Traffic Control (ATC)">
    </td>
</tr>
</tr>
<tr>
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Aircraft_Fire_Detection_System" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Uncontrolled_decompression" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">Aircraft Fire Detection System
           onmouseout="this.style.color='#40E0D0';">Depressurization
         </a>
         </a>
     </td>
     </td>
    <td class="description">A safety system installed in aircraft to detect and alert pilots of potential fires in the engine, cargo compartments, or cabin. It consists of sensors, alarms, and extinguishing mechanisms to mitigate fire risks and enhance passenger safety.</td>
<td class="description">A condition where cabin pressure is lost, potentially causing hypoxia for crew and passengers. It can occur due to structural failure, door seal issues, or rapid decompression. Pilots must respond immediately by donning oxygen masks, initiating an emergency descent, and following checklist procedures to ensure safety.</td>
    <td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Fire.jpg" alt="Aircraft Fire Detection System"></td>
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Depressurization.jpg" alt="Thumbnail"></td>
</tr>
</tr>


<tr id="Airfoil">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Airfoil" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Derated_Thrust" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Derated Thrust
          Airfoil
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A method where a jet engine operates below its maximum thrust capability to extend engine life and reduce wear. Airlines and operators use derated thrust settings to decrease fuel consumption, lower maintenance costs, and improve long-term performance without compromising flight safety.</td>
        A structure designed to produce lift when air flows over it, typically used in wings, propellers, and helicopter blades. The unique shape of an airfoil maximizes lift while minimizing drag, making it essential for efficient flight.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Derated.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Airfoil.jpg" alt="Airfoil">
    </td>
</tr>
</tr>


<tr id="Aircraft Classification">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Aircraft_category" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Continuous_descent_approach" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Descent Profile
          Aircraft Classification
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A predetermined vertical flight path that an aircraft follows when descending from cruising altitude to landing. It ensures a controlled and efficient descent while maintaining fuel efficiency and compliance with air traffic control clearances. The profile considers terrain, weather, and airport approach procedures.</td>
        A categorization system that groups aircraft by type, weight, purpose, and performance. Examples include commercial jets, light aircraft, helicopters, drones, and gliders, each requiring specific pilot certifications and operational procedures.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Decent-Profile.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Aircraft-Classifications.jpg" alt="Aircraft Classification">
    </td>
</tr>
</tr>


<tr id="Aircraft Identification">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Aircraft_registration" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Engine_knocking" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Detonation
          Aircraft Identification
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">An abnormal and uncontrolled combustion event in a piston engine where fuel-air mixture ignites prematurely. This results in extreme temperature and pressure spikes, which can cause engine damage, knocking sounds, and reduced efficiency. Pilots prevent detonation by using correct fuel grades and operating within safe engine parameters.</td>
        A unique code, often called a registration number or tail number, assigned to each aircraft. This identifier is used during communication with air traffic control, flight tracking, and legal documentation.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Detonation.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Aircraft-Identification.jpg" alt="Aircraft Identification">
    </td>
</tr>
</tr>


<tr id="Aircraft Maintenance Manual (AMM)">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Aircraft_maintenance_technician" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Dihedral_angle" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Dihedral Angle
          Aircraft Maintenance Manual (AMM)
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">The upward angle of an aircraft’s wings relative to the horizontal plane. It contributes to lateral stability, helping an aircraft return to level flight after a roll disturbance. Commercial aircraft typically have positive dihedral angles to improve passenger comfort by reducing roll oscillations in turbulent conditions.</td>
        A detailed document provided by aircraft manufacturers outlining inspection, repair, and servicing procedures. The AMM ensures that maintenance teams follow precise standards to keep the aircraft airworthy.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Dihedral.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Aircraft-Maintenance-Manual.jpg" alt="Aircraft Maintenance Manual (AMM)">
    </td>
</tr>
</tr>


<tr id="Airworthiness Certificate">
<tr>
    <td class="term">
<td class="term">
         <a href="https://en.wikipedia.org/wiki/Airworthiness_certificate#Standard_airworthiness_certificate" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Landing_gear#Differential_braking" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Differential Braking
          Airworthiness Certificate
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A technique where the pilot applies brake pressure to one wheel more than the other to assist in turning the aircraft while taxiing. This is especially useful for maneuvering in tight spaces, when steering limitations exist, or when using tailwheel aircraft that lack nosewheel steering.</td>
        A document issued by aviation authorities certifying that an aircraft meets safety standards. It is required for legal operation and is renewed periodically through inspections and compliance with maintenance regulations.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Differential-Breaking.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Airworthiness-Certificate.jpg" alt="Airworthiness Certificate">
    </td>
</tr>
</tr>


<tr id="Altimeter">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Altimeter" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=(DCT)_Direct" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Direct To (DCT)
          Altimeter
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A function in flight management systems allowing pilots to fly directly to a selected waypoint, bypassing intervening waypoints or airways. It simplifies navigation, reduces fuel consumption, and shortens flight time, commonly used when air traffic control grants permission for more efficient routing.</td>
        A cockpit instrument that measures altitude by detecting changes in atmospheric pressure. Altimeters display altitude above sea level and are critical for avoiding obstacles and maintaining proper airspace separation.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Direct.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Altimeter.jpg" alt="Altimeter">
    </td>
</tr>
</tr>


<tr id="Angle of Attack">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Angle_of_attack" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Rudder#Aircraft_rudders" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Directional Control
        Angle of Attack
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">An aircraft’s ability to maintain its intended heading using aerodynamic control surfaces such as the rudder. It is crucial during takeoff, landing, and crosswind operations. Loss of directional control can lead to runway excursions or instability in flight, requiring immediate corrective actions.</td>
        The angle between the chord line of an airfoil and the relative wind. AOA directly impacts lift and drag, and exceeding the critical angle can cause a stall, making it a critical parameter for flight safety.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Directional.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Angle-of-Attack.jpg" alt="Angle of Attack">
    </td>
</tr>
</tr>


<tr id="Angle of Incidence">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Angle_of_Incidence" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Water_landing#Airplane_water_ditchings" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Ditching
        Angle of Incidence
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">An emergency landing performed on water when returning to land is not possible. Pilots follow specific ditching procedures, including reducing speed, configuring the aircraft for a water landing, and preparing passengers for evacuation. Life rafts, flotation devices, and emergency locator beacons are critical for survival.</td>
        The fixed angle between an aircraft wing's chord line and the longitudinal axis of the aircraft. It is determined during design and construction to optimize lift and performance without requiring pilot adjustment
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Ditching.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Angle-of-Incidence.jpg" alt="Angle of Incidence">
    </td>
</tr>
</tr>


<tr id="Anti-Ice System">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Ice_protection_system" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Doppler_radar" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Doppler Rada
        Anti-Ice System
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A radar system used to detect weather conditions, aircraft velocity, and wind shear. It operates by measuring frequency shifts in radar waves reflected off moving objects. It is widely used in aviation for predicting turbulence, monitoring precipitation, and improving situational awareness in adverse weather conditions.</td>
        A system used to prevent the formation of ice on critical surfaces like wings, engines, and windshields. Anti-ice systems use heated surfaces, pneumatic boots, or chemical solutions to maintain safety in icy conditions.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Doppler.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Anti-Icing.jpg" alt="Anti-Ice System">
    </td>
</tr>
</tr>


<tr id="Approach Plate">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Approach_plate" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Downburst" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Downburst
      Approach Plate
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A powerful, localized downdraft of air that can create hazardous wind conditions near the ground. Downbursts can produce intense wind shear, posing a severe threat to aircraft on approach or departure. Pilots use onboard wind shear detection systems and ground-based radar to mitigate these risks.</td>
        A detailed chart used in instrument flight rules (IFR) to guide pilots during an approach to a runway. It provides information on headings, altitudes, navigation aids, and missed approach procedures.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Downburst.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Approach-Plate.jpg" alt="Approach Plate">
    </td>
</tr>
</tr>


<tr id="APU (Auxiliary Power Unit)">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Auxiliary_power_unit" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Downwash" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Downwash
        APU (Auxiliary Power Unit)
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">The downward flow of air produced by a wing or rotor. It is a byproduct of lift generation and plays a crucial role in aerodynamics. Helicopters experience strong downwash, which can impact ground personnel and affect aircraft flying in close formation.</td>
        A small turbine engine located in the aircraft's tail section. The APU provides power for electrical systems and air conditioning while on the ground and assists in starting the main engines.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Downwash.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/APU.jpg" alt="APU (Auxiliary Power Unit)">
    </td>
</tr>
</tr>


<tr id="area-51">
<tr>
    <td class="term">
<td class="term">
        <a href="https://wiki.alsresume.com/index.php?title=Area_51" target="_blank"
         <a href="https://wiki.alsresume.com/index.php?title=Airfield_traffic_pattern" target="_blank"  
          style="color: #00ff01; font-weight: bold; text-decoration: none; cursor: pointer;"
          onmouseover="this.style.color='#ff4f01';"
          onmouseout="this.style.color='#00ff01';">
          Area 51/Groom Lake/R-4808 N
        </a>
    </td>
    <td class="description">
        <span style="color: #00ff01; font-weight: bold; text-decoration: none; cursor: pointer;"
              onmouseover="this.style.color='#ff4f01';"
              onmouseout="this.style.color='#00ff01';"
              onclick="window.open('https://www.google.com/maps/@37.2815,-115.805667,15z/data=!3m1!1e3', '_blank')">
              Area 51/Groom Lake
        </span> is a highly classified U.S. Air Force facility located in southern Nevada, officially known as Homey Airport or Groom Lake. Established in 1955 for testing the Lockheed U-2 aircraft, its operations remain secretive, fueling numerous UFO conspiracy theories. The CIA publicly acknowledged its existence in 2013. Situated 83 miles northwest of Las Vegas, the area attracts tourists, especially to the nearby town of Rachel on the "Extraterrestrial Highway."
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/03/Area-51.jpg" alt="Area 51/Groom Lake/R-4808 N">
    </td>
</tr>
 
<tr id="Area Navigation (RNAV)">
    <td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Area_navigation" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Downwind Leg
          Area Navigation (RNAV)
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A segment of the traffic pattern flown parallel to the landing runway but in the opposite direction of landing. It allows pilots to sequence their approach before turning onto the base and final legs. Proper coordination with air traffic control ensures smooth and safe integration into the traffic flow.</td>
        A navigation system that allows aircraft to follow direct routes between any two points, rather than being restricted to paths defined by ground-based navigation aids. RNAV improves efficiency and reduces travel time.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Downwind-Leg.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Area-Navigation.jpg" alt="Area Navigation (RNAV)">
    </td>
</tr>
</tr>


<tr id="ARTCC (Air Route Traffic Control Center)">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Area_control_center" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Drag_(physics)" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Drag
        ARTCC (Air Route Traffic Control Center)
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">An aerodynamic force that opposes an aircraft’s forward motion. It consists of parasite drag (caused by non-lifting components) and induced drag (generated by lift). Reducing drag improves fuel efficiency, increases speed, and enhances overall aircraft performance.</td>
        A facility that manages en-route air traffic in controlled airspace. ARTCC controllers ensure safe separation between aircraft during cruise phases of flight.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Drag.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/ARTCC.jpg" alt="ARTCC (Air Route Traffic Control Center)">
    </td>
</tr>
</tr>


<tr id="Aspect Ratio">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Aspect_Ratio" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Drag_coefficient" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Drag Coefficient
        Aspect Ratio
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A numerical value that quantifies an aircraft’s aerodynamic efficiency by measuring the amount of drag it produces. Lower drag coefficients indicate more streamlined designs, reducing fuel consumption and improving performance. Engineers optimize airframes to minimize drag while maintaining structural integrity.
        he ratio of an aircraft's wingspan to its average chord (width). High aspect ratios reduce drag and improve fuel efficiency, while low aspect ratios enhance maneuverability.
</td>
    </td>
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Drag-Co.jpg" alt="Thumbnail"></td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Aspect-Ratio.jpg" alt="Aspect Ratio">
    </td>
</tr>
</tr>


<tr id="Altitude">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Altitude" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Formation_flying#Mechanism_of_drag_reduction" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Drag Reduction
          Altitude
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">Techniques used to minimize aerodynamic resistance. Methods include laminar flow control, winglets, and retractable landing gear. Aircraft designers continuously improve drag reduction strategies to enhance range, fuel economy, and speed while maintaining safety and stability.</td>
        The vertical distance between an aircraft and a reference point, typically sea level or ground level. Altitude is measured using an altimeter and is categorized into pressure altitude, true altitude, and indicated altitude.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Drag-Reduction.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Altitude.jpg" alt="Altitude">
    </td>
</tr>
</tr>


<tr id="Augmentor">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=General_Electric_F110" target="_blank"  
         <a href="hhttps://wiki.alsresume.com/index.php?title=Drain_Mast" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Drain Mast
        Augmentor
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A small external component used to expel excess fluids such as condensation, fuel residue, or waste from onboard systems. Proper drainage prevents corrosion, icing, and damage to critical components, ensuring aircraft integrity and performance over long-term operation.</td>
        An augmenter is an older Pratt & Whitney term for an afterburner—a secondary combustion system that injects fuel into the exhaust to boost thrust. Used in early F100-powered F-16s, it enhanced supersonic performance. The term faded as “afterburner” became standard across military engine platforms. Thanks, Matthew McKee, for the suggestion!
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Drain-Mast.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/03/Augmentor.jpg" alt="Augmentor">
    </td>
</tr>
</tr>


<tr id="Autoland">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Autoland" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Drift_Angle" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Drift Angle
        Autoland
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">The angle between an aircraft’s heading and its actual ground track caused by wind. Pilots compensate for drift using wind correction angles to maintain the intended flight path, ensuring accurate navigation, especially when flying cross-country or conducting precision approaches.</td>
        An advanced system that automates the landing process. Used in low-visibility conditions, autoland controls the aircraft's descent, flare, and touchdown, ensuring precision and safety.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Drift-Angle.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Autoland.jpg" alt="Autoland">
    </td>
</tr>
</tr>


<tr id="Automatic Dependent Surveillance-Broadcast (ADS-B)">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Automatic_Dependent_Surveillance%E2%80%93Broadcast" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Drift_Down" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Drift Down
        Automatic Dependent Surveillance-Broadcast (ADS-B)
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A procedure followed when an engine failure occurs at cruising altitude. The aircraft descends to an altitude where it can maintain level flight on the remaining engine(s). Pilots use drift-down charts to determine optimal altitudes for safety and fuel efficiency.</td>
        A surveillance technology where an aircraft broadcasts its position, speed, altitude, and other data. ADS-B improves situational awareness and enhances air traffic management..
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Drift-Down.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/ADS-B.jpg" alt="Automatic Dependent Surveillance-Broadcast (ADS-B)">
    </td>
</tr>
</tr>


<tr id=" Automatic Direction Finder (ADF)">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=ADF" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Drop_tank" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Drop Tank
        Automatic Direction Finder (ADF)
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">An external fuel tank mounted on military or long-range aircraft to extend operational range. Drop tanks can be jettisoned in emergencies to reduce weight and improve maneuverability. They play a vital role in ferry flights, combat missions, and long-duration operations.</td>
        A navigation aid that uses radio signals from NDBs to determine the direction of a beacon relative to the aircraft. ADF is especially useful in remote areas where GPS and other systems may not be available.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Drop-Tank.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/ADF2.jpg" alt=" Automatic Direction Finder (ADF)">
    </td>
</tr>
</tr>


<tr id="Autopilot">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Autopilot" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Aircraft_lease#Dry_lease" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Dry Lease
        Autopilot
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A leasing arrangement where an aircraft is provided without crew, maintenance, or insurance. The lessee is responsible for all operational aspects. Dry leases are commonly used by airlines expanding their fleets without purchasing new aircraft outright.</td>
        A system that automates control of the aircraft's flight path. Autopilot maintains heading, altitude, and course, reducing pilot workload, especially during long flights or adverse weather.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Dry-Lease.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Autopilot.jpg" alt="Autopilot">
    </td>
</tr>
</tr>


<tr id="Aviation Meteorology">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Meteorology#Aviation_meteorology" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Dutch_roll" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Dutch Roll
        Aviation Meteorology
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">A flight instability characterized by coupled yaw and roll oscillations. It is most commonly experienced in swept-wing aircraft. Pilots use yaw dampers to counteract Dutch roll, improving comfort and stability during cruise.</td>
        The study of weather and its impact on aviation operations. Aviation meteorology covers phenomena such as turbulence, wind shear, icing, thunderstorms, and jet streams to ensure flight safety and efficiency.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Dutch-Roll.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Aviation-Meteorology.jpg" alt="Aviation Meteorology">
    </td>
</tr>
</tr>


<tr id="Avionics">
<tr>
    <td class="term">
<td class="term">
         <a href="https://wiki.alsresume.com/index.php?title=Avionics" target="_blank"  
         <a href="https://wiki.alsresume.com/index.php?title=Aircraft_flight_dynamics#Stability" target="_blank"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           style="color: #40E0D0; font-weight: bold; text-decoration: none; cursor: pointer;"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseover="this.style.color='#ff4f01';"  
           onmouseout="this.style.color='#40E0D0';">
           onmouseout="this.style.color='#40E0D0';">Dynamic Stability
        Avionics
         </a>
         </a>
     </td>
     </td>
    <td class="description">
<td class="description">An aircraft’s tendency to return to its original flight condition after a disturbance. It ensures stability over time and helps the aircraft remain controllable in varying flight conditions, minimizing pilot workload and enhancing safety.</td>
        The electronic systems used in aircraft, including navigation, communication, and monitoring systems. Avionics advancements have revolutionized aviation, enabling precision navigation, real-time communication, and comprehensive flight data monitoring.
<td class="image-column"><img src="https://www.alsresume.com/wp-content/uploads/2025/02/Dynamic-Stability.jpg" alt="Thumbnail"></td>
    </td>
    <td class="image-column">
        <img src="https://www.alsresume.com/wp-content/uploads/2025/02/Avionics.jpg" alt="Avionics">
    </td>
</tr>
</tr>


    </table>
</table>
</body>
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Latest revision as of 18:54, 23 April 2025


Glossary Navigation Menu
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Glossary Instructions

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Aviation Glossary - A

Datum Line A reference line set by aircraft manufacturers for measuring distances and locations on an aircraft. It is used in weight and balance calculations to determine the center of gravity. The datum is typically an arbitrary point chosen by the manufacturer to maintain consistency in measurement across different aircraft designs. Thumbnail
Dead Reckoning A navigation technique where an aircraft’s position is estimated based on speed, time, and direction from a known position, rather than relying on external navigation aids. It is often used when GPS or radio navigation is unavailable. Pilots must account for wind drift and deviations to ensure accurate course tracking. Thumbnail
Deck Angle The angle between the aircraft's longitudinal axis and the horizontal plane. It is critical during takeoff, landing, and certain maneuvers. A high deck angle can indicate a nose-high attitude, while a low deck angle may suggest a nose-down flight condition, affecting aerodynamic stability and performance. Thumbnail
Deicing Boots Rubber structures placed on the leading edges of wings and tail surfaces that expand and contract to break off accumulated ice. They are crucial for aircraft flying in icy conditions, preventing the buildup of ice that can disrupt airflow, reduce lift, and increase drag, leading to potential loss of control. Thumbnail
Density Altitude The pressure altitude corrected for temperature variations. It represents the altitude at which an aircraft “feels” it is flying based on air density. High-density altitude results in reduced engine power, propeller efficiency, and lift, making takeoff and climb performance significantly weaker in hot and high-altitude conditions. Thumbnail
Departure Procedure (DP) A standardized route for aircraft departing an airport, ensuring separation from obstacles and other air traffic. These procedures are either pilot-navigated or radar-vectored and help streamline departures, allowing for smooth transitions into en-route airspace while ensuring safe clearance from surrounding terrain. Thumbnail
Dependent Parallel Approaches A type of approach where two aircraft land simultaneously on parallel runways that are spaced close together. Air traffic controllers monitor and manage aircraft separation using strict sequencing. These approaches increase airport efficiency but require precise coordination and compliance with established separation minimums. Thumbnail
Depressurization A condition where cabin pressure is lost, potentially causing hypoxia for crew and passengers. It can occur due to structural failure, door seal issues, or rapid decompression. Pilots must respond immediately by donning oxygen masks, initiating an emergency descent, and following checklist procedures to ensure safety. Thumbnail
Derated Thrust A method where a jet engine operates below its maximum thrust capability to extend engine life and reduce wear. Airlines and operators use derated thrust settings to decrease fuel consumption, lower maintenance costs, and improve long-term performance without compromising flight safety. Thumbnail
Descent Profile A predetermined vertical flight path that an aircraft follows when descending from cruising altitude to landing. It ensures a controlled and efficient descent while maintaining fuel efficiency and compliance with air traffic control clearances. The profile considers terrain, weather, and airport approach procedures. Thumbnail
Detonation An abnormal and uncontrolled combustion event in a piston engine where fuel-air mixture ignites prematurely. This results in extreme temperature and pressure spikes, which can cause engine damage, knocking sounds, and reduced efficiency. Pilots prevent detonation by using correct fuel grades and operating within safe engine parameters. Thumbnail
Dihedral Angle The upward angle of an aircraft’s wings relative to the horizontal plane. It contributes to lateral stability, helping an aircraft return to level flight after a roll disturbance. Commercial aircraft typically have positive dihedral angles to improve passenger comfort by reducing roll oscillations in turbulent conditions. Thumbnail
Differential Braking A technique where the pilot applies brake pressure to one wheel more than the other to assist in turning the aircraft while taxiing. This is especially useful for maneuvering in tight spaces, when steering limitations exist, or when using tailwheel aircraft that lack nosewheel steering. Thumbnail
Direct To (DCT) A function in flight management systems allowing pilots to fly directly to a selected waypoint, bypassing intervening waypoints or airways. It simplifies navigation, reduces fuel consumption, and shortens flight time, commonly used when air traffic control grants permission for more efficient routing. Thumbnail
Directional Control An aircraft’s ability to maintain its intended heading using aerodynamic control surfaces such as the rudder. It is crucial during takeoff, landing, and crosswind operations. Loss of directional control can lead to runway excursions or instability in flight, requiring immediate corrective actions. Thumbnail
Ditching An emergency landing performed on water when returning to land is not possible. Pilots follow specific ditching procedures, including reducing speed, configuring the aircraft for a water landing, and preparing passengers for evacuation. Life rafts, flotation devices, and emergency locator beacons are critical for survival. Thumbnail
Doppler Rada A radar system used to detect weather conditions, aircraft velocity, and wind shear. It operates by measuring frequency shifts in radar waves reflected off moving objects. It is widely used in aviation for predicting turbulence, monitoring precipitation, and improving situational awareness in adverse weather conditions. Thumbnail
Downburst A powerful, localized downdraft of air that can create hazardous wind conditions near the ground. Downbursts can produce intense wind shear, posing a severe threat to aircraft on approach or departure. Pilots use onboard wind shear detection systems and ground-based radar to mitigate these risks. Thumbnail
Downwash The downward flow of air produced by a wing or rotor. It is a byproduct of lift generation and plays a crucial role in aerodynamics. Helicopters experience strong downwash, which can impact ground personnel and affect aircraft flying in close formation. Thumbnail
Downwind Leg A segment of the traffic pattern flown parallel to the landing runway but in the opposite direction of landing. It allows pilots to sequence their approach before turning onto the base and final legs. Proper coordination with air traffic control ensures smooth and safe integration into the traffic flow. Thumbnail
Drag An aerodynamic force that opposes an aircraft’s forward motion. It consists of parasite drag (caused by non-lifting components) and induced drag (generated by lift). Reducing drag improves fuel efficiency, increases speed, and enhances overall aircraft performance. Thumbnail
Drag Coefficient A numerical value that quantifies an aircraft’s aerodynamic efficiency by measuring the amount of drag it produces. Lower drag coefficients indicate more streamlined designs, reducing fuel consumption and improving performance. Engineers optimize airframes to minimize drag while maintaining structural integrity. Thumbnail
Drag Reduction Techniques used to minimize aerodynamic resistance. Methods include laminar flow control, winglets, and retractable landing gear. Aircraft designers continuously improve drag reduction strategies to enhance range, fuel economy, and speed while maintaining safety and stability. Thumbnail
Drain Mast A small external component used to expel excess fluids such as condensation, fuel residue, or waste from onboard systems. Proper drainage prevents corrosion, icing, and damage to critical components, ensuring aircraft integrity and performance over long-term operation. Thumbnail
Drift Angle The angle between an aircraft’s heading and its actual ground track caused by wind. Pilots compensate for drift using wind correction angles to maintain the intended flight path, ensuring accurate navigation, especially when flying cross-country or conducting precision approaches. Thumbnail
Drift Down A procedure followed when an engine failure occurs at cruising altitude. The aircraft descends to an altitude where it can maintain level flight on the remaining engine(s). Pilots use drift-down charts to determine optimal altitudes for safety and fuel efficiency. Thumbnail
Drop Tank An external fuel tank mounted on military or long-range aircraft to extend operational range. Drop tanks can be jettisoned in emergencies to reduce weight and improve maneuverability. They play a vital role in ferry flights, combat missions, and long-duration operations. Thumbnail
Dry Lease A leasing arrangement where an aircraft is provided without crew, maintenance, or insurance. The lessee is responsible for all operational aspects. Dry leases are commonly used by airlines expanding their fleets without purchasing new aircraft outright. Thumbnail
Dutch Roll A flight instability characterized by coupled yaw and roll oscillations. It is most commonly experienced in swept-wing aircraft. Pilots use yaw dampers to counteract Dutch roll, improving comfort and stability during cruise. Thumbnail
Dynamic Stability An aircraft’s tendency to return to its original flight condition after a disturbance. It ensures stability over time and helps the aircraft remain controllable in varying flight conditions, minimizing pilot workload and enhancing safety. Thumbnail