Quiz #2 - Airport Diagrams

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Quizzes Created: 2 | Total Attempts: 3,332
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Airport Quizzes & Trivia

This quiz covers the fundamentals of airport diagrams.
Using the airport diagram for DULLES-WASHINGTON INTL (IAD) Airport, answer the following questions.

Enter your GMU ID number (e. G., G00342659)
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Questions and Answers
  • 1. 

    What is the field Elevation at IAD?

    • A.

      135

    • B.

      293

    • C.

      130

    • D.

      312

    Correct Answer
    D. 312
  • 2. 

    What is the approximate latitude and longitude (in degs. mins) of the Runway Threshold for Runway 30?

    • A.

      38˚56'N 77˚27'W

    • B.

      77˚27'W 38˚56'N

    • C.

      38˚56'N 77˚29'W

    • D.

      77˚29'W 38˚57'N

    Correct Answer
    A. 38˚56'N 77˚27'W
    Explanation
    The approximate latitude and longitude of the Runway Threshold for Runway 30 is 38˚56'N and 77˚27'W.

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  • 3. 

    Runway 1L has exit ramps U, U1, U2, U3.  What is (are) the physical difference(s) between exit ramps U/U1 and U2/U3?

    • A.

      U/U1 improves Runway Occupancy Time (ROT)

    • B.

      U/U1 are right-angled and U2/U3 are diagonal (ie. high speed exists)

    • C.

      U/U1 are diagonal and U2/U3 are right-angled

    • D.

      U2/U3 reduces Runway Occupancy Time (ROT)

    Correct Answer
    B. U/U1 are right-angled and U2/U3 are diagonal (ie. high speed exists)
    Explanation
    Exit ramps U/U1 are right-angled, meaning they have a 90-degree angle, while exit ramps U2/U3 are diagonal, meaning they are not at a right angle. Additionally, U2/U3 are described as having "high speed exists," suggesting that they allow for faster and more efficient exit from the runway. This physical difference between the two sets of exit ramps likely contributes to the difference in their impact on Runway Occupancy Time (ROT), with U/U1 improving ROT and U2/U3 reducing it.

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  • 4. 

    Runway 1L has exit ramps U, U1, U2, U3. What operational advantage is achieved by exit ramps U2/U3?

    • A.

      U2/U3 reduces Runway Occupancy Time (ROT)

    • B.

      U2/U3 increases Runway Occupancy Time (ROT)

    • C.

      U/U1 increases taxi-in

    Correct Answer
    A. U2/U3 reduces Runway Occupancy Time (ROT)
    Explanation
    Exit ramps U2/U3 reduce Runway Occupancy Time (ROT) because they provide additional options for aircraft to exit the runway. This allows for faster clearance of the runway, as aircraft can exit at multiple points instead of having to wait for the aircraft ahead to completely clear the runway before they can exit. This helps to improve the efficiency of runway operations and reduce delays.

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  • 5. 

    Runway 19R has two on-ramps: U and U1. What operational advantage is achieved by having two on-ramps?

    • A.

      By-pass

    • B.

      None

    • C.

      Provides high-speed exits

    • D.

      Reduce taxi-in time

    Correct Answer
    A. By-pass
    Explanation
    Having two on-ramps, U and U1, provides a bypass option for aircraft. This means that aircraft can choose to use either of the on-ramps to enter the runway, depending on the traffic situation or any other operational considerations. By having this bypass option, it allows for better traffic flow and reduces congestion on the runway. It also provides flexibility for aircraft to enter and exit the runway efficiently, without causing delays or disruptions to other aircraft movements.

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  • 6. 

    Under what circumstances would two on-ramps be used?

    • A.

      Flight in departure queue unable to depart (e.g. mechanical problems)

    • B.

      Bad weather conditions

    • C.

      Ground delay programs

    • D.

      ATC has friend on flight back in departure queue

    Correct Answer
    A. Flight in departure queue unable to depart (e.g. mechanical problems)
    Explanation
    Two on-ramps would be used when there is a flight in the departure queue that is unable to depart due to mechanical problems. This means that there is a delay in the departure of the flight, and another on-ramp is needed to accommodate other flights that are ready to depart. The use of two on-ramps allows for a more efficient flow of air traffic and helps to minimize delays caused by the mechanical issues of a single flight.

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  • 7. 

    How does LAHSO improve operational efficiency for landing and takeoffs at airports?

    • A.

      Minimize taxi-in time

    • B.

      Avoid runway incursions

    • C.

      Allow simultaneous use at intersecting runways

    • D.

      Increase runway capacity

    Correct Answer
    C. Allow simultaneous use at intersecting runways
    Explanation
    LAHSO (Land and Hold Short Operations) improves operational efficiency for landing and takeoffs at airports by allowing simultaneous use at intersecting runways. This means that aircraft can land and take off from different runways at the same time, reducing the time spent waiting for clearance and increasing the overall capacity of the airport. This helps to minimize delays and maximize the number of aircraft that can be accommodated, ultimately improving the efficiency of operations.

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  • 8. 

    How many runways LAHSO designations exist at IAD?

    • A.

      0

    • B.

      2

    • C.

      4

    • D.

      6

    Correct Answer
    A. 0
    Explanation
    LAHSO stands for Land and Hold Short Operations, which is a procedure used at airports where two runways intersect. It allows for aircraft to land and hold short of the intersecting runway while another aircraft takes off or lands on the intersecting runway. The question is asking how many runways at IAD (presumably an airport) have LAHSO designations. The correct answer is 0, indicating that there are no runways at IAD with this specific designation.

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  • 9. 

    Middle/Upper left of airport diagram includes instructions "ASDE-X Surveillance System" in use.  Pilots should operate transponders with Mode C on all taxiways and runways. What does the ASDE-X Surveillance System do?

    • A.

      ASDE-X provides flight position information

    • B.

      ASDE-X allows voice communication with controllers

    • C.

      ASDE-X allows radio communication with dispatchers

    • D.

      ASDE-X transmits position to other aircraft

    Correct Answer
    A. ASDE-X provides flight position information
    Explanation
    The ASDE-X Surveillance System provides flight position information.

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  • 10. 

    The information generated by ASDE-X Survaillance System is used for

    • A.

      Avoid runway incursions and improve operational efficiency

    • B.

      Sending fines to rule violators

    • C.

      Checking on-time departure of flights

    • D.

      Looking for lost baggage carts

    Correct Answer
    A. Avoid runway incursions and improve operational efficiency
    Explanation
    The ASDE-X Surveillance System provides information that helps in avoiding runway incursions and improving operational efficiency. This system tracks the movement of aircraft and provides real-time data to air traffic controllers, allowing them to monitor and manage aircraft on the ground. By identifying potential conflicts and providing alerts, the system helps prevent runway incursions, which are a major safety concern. Additionally, the system's data can be analyzed to identify areas of improvement in airport operations, leading to increased efficiency and smoother flow of air traffic.

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  • 11. 

    Top middle of the airport diagram includes information "January 2005 Annual Rate of Change 0.0 degree east".  What natural phenomenon is this in reference to?

    • A.

      Shift in magnetic north pole

    • B.

      Shift in altitude

    • C.

      Global climate change

    • D.

      Shift in weather patterns (e.g. El Nino)

    Correct Answer
    A. Shift in magnetic north pole
    Explanation
    The information provided on the airport diagram indicates that there is a 0.0 degree east annual rate of change in January 2005. This is referring to the phenomenon of the shift in the magnetic north pole. The magnetic north pole is constantly moving, and this information suggests that in January 2005, it was shifting eastward at a rate of 0.0 degrees. This is important for navigation purposes, as it affects compass readings and can impact the accuracy of navigation systems that rely on magnetic north.

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  • 12. 

    The airport diagrama shows the locations of a "Ramp Tower" and a "Control Tower".  What phases of the landing, taxi, gate, and takeoff cycle are the controllers in the Control Tower responsible for? [Select all that apply]

    • A.

      Landing

    • B.

      Taxi on taxiways

    • C.

      Take off

    • D.

      Ramp taxi

    Correct Answer(s)
    A. Landing
    B. Taxi on taxiways
    C. Take off
    Explanation
    The controllers in the Control Tower are responsible for the landing, taxi on taxiways, and takeoff phases of the landing, taxi, gate, and takeoff cycle. They oversee the safe and efficient movement of aircraft during these critical phases of flight.

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  • 13. 

    When IAD was originally constructed it had two runways 19C/1C and 19L/1R in a "parallel offset runway configuration".  What operational advantage is achieved with the runway offset (i.e one is more north than the other)?

    • A.

      Shorter taxi-in and out

    • B.

      Required less concrete for construction

    • C.

      Increase runway capacity

    • D.

      Reduce noise

    Correct Answer
    A. Shorter taxi-in and out
    Explanation
    The operational advantage achieved with the runway offset is a shorter taxi-in and out. By having one runway more north than the other, aircraft can land on one runway and quickly exit the runway, allowing for a shorter taxi distance to the terminal. This reduces the time spent on the ground and increases efficiency in airport operations.

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