Volume 4 2A851 Aircraft
Abc
- 1.1. (601) Parallels of latitude are parallel to the
- A.
A. equator.
- B.
B. polar axis.
- C.
C. Greenwich meridian.
- D.
D. international time line.
- 2.2. (602) What is used to correct true heading and allow the aircraft to make good the desired true course?
- A.
A. Drift correction.
- B.
B. Wind disbursement.
- C.
C. Airspeed correction.
- D.
D. Ground speed correction.
- 3.3. (603) The accelerometers in an inertial navigation system must be protected from
- A.
A. motion and pressure changes.
- B.
B. magnetic and motion changes.
- C.
C. temperature and pressure changes.
- D.
D. temperature and magnetic changes.
- 4.4. (604) The circle error of probability for the inertial navigation unit (INU) after a successful stored heading alignment is better than
- A.
A. 1.0 nautical miles/hour.
- B.
B. 1.5 nautical miles/hour.
- C.
C. 2.0 nautical miles/hour.
- D.
D. 2.5 nautical miles/hour.
- 5.5. (605) In the global positioning system, almanac data are transmitted to each satellite to update the navigation data message once every
- A.
A. 6 hours.
- B.
B. 12 hours.
- C.
C. 24 hours.
- D.
D. 48 hours.
- 6.6. (606) Which global positioning system unit in the ARN–151 produces the intermediate frequency signal?
- A.
A. Antenna.
- B.
B. Receiver.
- C.
C. Indicator control.
- D.
D. Antenna controller.
- 7.7. (607) The global positioning system interface that uses simplified computer words of specific high- and low-voltage levels is the
- A.
A. instrument interface.
- B.
B. ARINC interface.
- C.
C. 1553 interface.
- D.
D. PTTI interface.
- 8.8. (608) The main reference burst (MRB) is transmitted when the main lobe of the tactical air navigation (TACAN) surface beacon radiation pattern is due
- A.
A. North.
- B.
B. South.
- C.
C. East.
- D.
D. West.
- 9.9. (609) In the tactical air navigation (TACAN) mode, if the course deviation bar on the horizontal situation indicator (HSI) is deflected two dots to the right, how many degrees off course are you?
- A.
A. 1.25°.
- B.
B. 2.50°.
- C.
C. 5.0°.
- D.
D. 10.0°.
- 10.10. (610) What signals are produced when the AN/ARN–118 is in the transmit-receiver (T/R) mode?
- A.
A. Only distance and BIT from a surface beacon.
- B.
B. Bearing, distance, and BIT from a surface beacon.
- C.
C. Bearing and distance from a cooperating aircraft.
- D.
D. Only distance and BIT from a cooperating aircraft.
- 11.11. (611) In the tactical air navigation (TACAN) receiver transmitter (RT) adapter, TO/FROM information is developed by combining magnetic bearing with
- A.
A. course deviation.
- B.
B. magnetic heading.
- C.
C. relative bearing.
- D.
D. relative heading.
- 12.12. (612) Tactical air navigation (TACAN) channel data and selected mode information are routed to the receiver transmitter as a
- A.
A. 24-bit serial control word.
- B.
B. 32-bit serial control word.
- C.
C. 16-bit ternary control word.
- D.
D. 32-bit ternary control word.
- 13.13. (613) Which very-high frequency omnirange (VOR) airway keeps aircraft apart when two or more aircraft are operating on instrument flying rules between the same two points?
- A.
A. Main airway.
- B.
B. Alternate airway.
- C.
C. East-west airway.
- D.
D. North-south airway.
- 14.14. (614) Which of the following is not a purpose of the instrument landing system (ILS)?
- A.
A. Provide up/down guidance.
- B.
B. Provide left/right guidance.
- C.
C. Provide bearing to a station.
- D.
D. Indicate accurate distances along the approach.
- 15.15. (615) In glide slope, each deviation dot on the attitude director indicator (ADI) glide slope indicator represents
- A.
A. 0.3° deviation.
- B.
B. 0.5° deviation.
- C.
C. 0.6° deviation.
- D.
D. 1.25° deviation.
- 16.16. (616) If an aircraft is flying inbound on the 90° radial of a very-high frequency omnirange (VOR) station, then what will be the outbound radial when the aircraft passes the station?
- A.
A. 90°.
- B.
B. 180°.
- C.
C. 270°.
- D.
D. 360°.
- 17.17. (617) During instrument landing system (ILS) operation, a full-scale deflection of the horizontal situation indicator (HSI) vertical needle indicates the aircraft is off course by
- A.
A. 0.3°.
- B.
B. 0.6°.
- C.
C. 1.25°.
- D.
D. 2.5°.
- 18.18. (618) What glide slope information is provided to the attitude director indicator (ADI) when the AN/ARN–127 is operating in the instrument landing system (ILS) mode?
- A.
A. Audio signals.
- B.
B. Left/right deviations.
- C.
C. Up/down deviations.
- D.
D. Navigational signals.
- 19.19. (619) If an aircraft does not reply to a ground radar station interrogation, then the radar echo appears on the stations plan position indicator
- A.
A. by itself.
- B.
B. with aircraft identity.
- C.
C. with altitude information.
- D.
D. with aircraft identity and altitude information.
- 20.20. (620) The identification, friend or foe (IFF) mode 4 interrogation consists of
- A.
A. two 0.5 microsecond pulses, spaced 2 microseconds apart.
- B.
B. two 0.8 microsecond pulses, spaced 21 microseconds apart.
- C.
C. four 0.5 microsecond pulses, spaced 2 microseconds apart.
- D.
D. four 0.8 microsecond pulses, spaced 21 microseconds apart.
- 21.21. (621) When the IDENT-OUT-MIC switch is in the MIC position, identification, friend or foe (IFF) identification of position (I/P) replies are triggered every time which radio system is keyed?
- A.
A. HF.
- B.
B. LHF.
- C.
C. UHF.
- D.
D. VHF.
- 22.22. (622) Which monitor light on the front of the identification, friend or foe (IFF) receiver-transmitter (RT) illuminates indicating satisfactory operation of the local oscillator mixer circuits?
- A.
A. CODER.
- B.
B. REC VID.
- C.
C. XTAL CUR.
- D.
D. XMTR OSC.
- 23.23. (623) Traffic alert and collision avoidance system (TCAS) symbols generated by TCAS represent increasing levels of urgency or threat by changing their
- A.
A. color and size.
- B.
B. size and shape.
- C.
C. shape and color.
- D.
D. shape and position.
- 24.24. (624) If a change to the aircraft’s present flight path is necessary for safe separation of aircraft, then what type of resolution advisory will be generated by the traffic alert and collision avoidance system (TCAS)?
- A.
A. Corrective advisory.
- B.
B. Preventive advisory.
- C.
C. Change to current advisory.
- D.
D. Change to previous advisory.
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