2a553a 2011 Vol 4

25 Questions | Attempts: 104
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  • 1/25 Questions

    (601) What is the purpose of the very-high frequency omnirange system?

    • Determine up/down guidance
    • Determine left/right guidance
    • Determine bearing to a station
    • Indicate distances along the approach
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  • 2. 

    (601) The basic operating principle of very-high frequency omnirange is phase comparing the

    • 30-Hz reference and 9,960-Hz frequency-modulated (FM) signals

    • 30-Hertz (Hz) reference and 30-Hz variable signals

    • 30-Hz variable and 9,960-Hz FM signals

    • 90- and 150-Hz modulated signals

    Correct Answer
    A. 30-Hertz (Hz) reference and 30-Hz variable signals
  • 3. 

    (602) The instrument landing system marker beacon carrier frequency is

    • 68.1 kilohertz (kHz)

    • 68.1 megahertz (MHz)

    • 75 kHz

    • 75 MHz

    Correct Answer
    A. 75 MHz
  • 4. 

    (605) To get a FROM flag in view on the horizontal situation indicator when the magnetic bearing to the very-high frequency omnirange station is 75°, the selected course should be manually set to

    • 75°

    • 150°

    • 210°

    • 360°

    Correct Answer
    A. 210°
  • 5. 

    (602) What frequency band is used to transmit instrument landing system glide slope information?

    • Low frequency

    • High frequency

    • Ultra-high frequency

    • Very-high frequency

    Correct Answer
    A. Ultra-high frequency
  • 6. 

    (603) On how many channels are the microwave landing system receivers capable of operating?

    • 200

    • 500

    • 559

    • 669

    Correct Answer
    A. 200
  • 7. 

    (603) What microwave landing system outputs are provided to the pilot’s and copilot’s horizontal situation and attitude director indicators for approach and takeoff?

    • Azimuth signals

    • Elevation signals

    • Steering indications

    • Ground station indications

    Correct Answer
    A. Steering indications
  • 8. 

    (603) Which microwave landing system component allows for selection of system status?

    • Data bus coupler

    • Receiver power on relay

    • Flight director mode selector

    • Integrated display computer unit

    Correct Answer
    A. Integrated display computer unit
  • 9. 

    (607) If the very-high frequency omnirange station signal is lost or the receiver malfunctions, the ARN–147 system parks the bearing pointer at the

    • 3 o’clock position

    • 6 o’clock position

    • 9 o’clock position

    • 12 o’clock position

    Correct Answer
    A. 3 o’clock position
  • 10. 

    (601) If the magnetic bearing to a very-high frequency omnirange station is 225°, the phase difference between the 30-Hertz (Hz) reference and 30-Hz variable signals is

    • 15°

    • 45°

    • 135°

    • 225°

    Correct Answer
    A. 45°
  • 11. 

    (603) Which antennas are shared by microwave landing system numbers 1 and 2?

    • 1 and 2

    • 1 and 3

    • 3 and 2

    • 3 and 4

    Correct Answer
    A. 3 and 4
  • 12. 

    (607) The total number of very-high frequency omnirange/instrument landing system (VOR/ILS) channels that can be selected by the AN/ARN–147 VOR/ILS control box is

    • 40

    • 160

    • 200

    • 540

    Correct Answer
    A. 200
  • 13. 

    (606) When the instrument landing system marker beacon amber (orange) lamp illuminates, the pilot hears a

    • 400-Hertz (Hz) tone

    • 3,000-Hz tone

    • 1,000-Hz tone

    • 1,300-Hz tone

    Correct Answer
    A. 1,300-Hz tone
  • 14. 

    (608) The main reference burst is transmitted when the main lobe of the tactical air navigation surface beacon radiation pattern is due

    • North

    • South

    • East

    • West

    Correct Answer
    A. East
  • 15. 

    (608) A tactical air navigation surface beacon provides a station identification code (beacon identity tone) every

    • 7.5 seconds

    • 20 seconds

    • 30 seconds

    • 40 seconds

    Correct Answer
    A. 30 seconds
  • 16. 

    (602) The instrument landing system localizer course width at a distance of 10 miles from the transmitter is normally

    • 5°

    • 2.5°

    • 0.7°

    • 0.5°

    Correct Answer
    A. 5°
  • 17. 

    (601) Very-high frequency omnirange aural (station identification) signals are transmitted

    • Continuously

    • At 20-second intervals

    • At 30-second intervals

    • At specified time intervals

    Correct Answer
    A. Continuously
  • 18. 

    (605) Which radial will the aircraft be positioned on if the aircraft is located north of the veryhigh frequency omnirange station?

    • 270°

    • 180°

    • 090°

    • 000°

    Correct Answer
    A. 000°
  • 19. 

    (607) What glide slope information is provided to the attitude director indicator when the AN/ARN–127 is operating in the instrument landing system mode?

    • Audio signals

    • Navigation signals

    • Up/down deviations

    • Left/right deviations

    Correct Answer
    A. Up/down deviations
  • 20. 

    (603) What is the frequency range of the microwave landing system receivers?

    • 200 – 500 megahertz (MHz)

    • 500 – 669 MHz

    • 669 – 5031 MHz

    • 5031 – 5091 MHz

    Correct Answer
    A. 5031 – 5091 MHz
  • 21. 

    (606) In instrument landing system operation, a deflection of two dots on the attitude director indicator glide slope deviation scale indicates the aircraft is

    • 0.25° off glide path

    • 2.5° off glide path

    • 0.6° off glide path

    • 6.0° off glide path

    Correct Answer
    A. 0.6° off glide path
  • 22. 

    (603) What is not a microwave landing system output?

    • Azimuth deviation

    • Glide slope deviation

    • Azimuth warning flag

    • Glide slope correction flag

    Correct Answer
    A. Glide slope correction flag
  • 23. 

    (607) In very-high frequency omnirange (VOR) mode, what information is sent to the horizontal situation indicator by the ARN–147 VOR/localizer receiver?

    • TO/FROM, heading, and relative bearing

    • Relative bearing, flag alarm, and heading

    • Flag alarm, distance, and left/right deviation

    • Left/right deviation, flag alarm, and TO/FROM

    Correct Answer
    A. Left/right deviation, flag alarm, and TO/FROM
  • 24. 

    604) When an instrument landing system frequency is selected, the ARN–127 very-high frequency omnirange receiver parks the horizontal situation indicator bearing pointer at the

    • 3 o’clock position

    • 4 o’clock position

    • 6 o’clock position

    • 10 o’clock position

    Correct Answer
    A. 4 o’clock position
  • 25. 

    (606) During instrument landing system operation, a full-scale deflection of the horizontal situation indicator vertical needle indicates the aircraft is off course from the runway centerline by

    • 200 feet

    • 400 feet

    • 0.6°

    • 2.5°

    Correct Answer
    A. 2.5°

Quiz Review Timeline (Updated): Mar 19, 2022 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 19, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • May 26, 2011
    Quiz Created by
    Donaldtatter
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