2A533A Volume 4 CDC Test
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- 1.What is the purpose of the very-high omnirange system?
- A.
Determine bearing to a station
- B.
Steering indications
- C.
Provides recommendations to the pilot for aircraft maneuvers
- D.
Alititude
- 2.The basic operating principle of very-high frequency omnirange is phase comparing the?
- A.
30-Hertz (Hz) reference and 30-Hz variable signals
- B.
30-Hertz(Hz) reference and 9010-Hz variable signals
- C.
9010-Hertz(Hz) reference and 30-Hz variable signals
- D.
There is no phase comparing
- 3.If the magnetic bearing to a very-high frequency omnirange station is 225 degrees, the phase difference between the 30-Hertz (Hz) reference and 30 (Hz) variable signal is?
- A.
15 degrees
- B.
90 degrees
- C.
45 degrees
- D.
60 degrees
- 4.Very-high frequency omnirange aural (station identification) signals are transmitted?
- A.
Intervals of 5 micro-seconds
- B.
Continuously
- C.
Intervals of 5 seconds
- 5.The instrument landing system localizer course width at a distance of 10 miles from the transmitter is normally?
- A.
5 degrees
- B.
15 degrees
- C.
35 degrees
- D.
60 degrees
- 6.What frequency band is used to transmit instrument landing system glide slope information?
- A.
VHF
- B.
HF
- C.
UHF
- D.
IFF
- 7.The instrument landing system marker beacon carrier frequency is?
- A.
75Hz
- B.
75 MHz
- C.
50 MHz
- D.
50Hz
- 8.What microwave landing system outputs are provided to the pilot's and copilot's horizontal situation and attitude director indicators for approach and takeoff?
- A.
Steering indications
- B.
Airspeed indications
- C.
Groundspeed indications
- D.
Invisible indications
- 9.On how many channels are the microwave landing systems receivers capable of operating?
- A.
200
- B.
20
- C.
40
- D.
5
- 10.What is the frequency range of the microwave landing system receivers?
- A.
1020-1300 MHz
- B.
5031-5091 Hz
- C.
5031-5091 MHz
- D.
1020-1300 Hz
- 11.Which antennas are shared by microwave landing system numbers 1 and 2?
- A.
1 and 2
- B.
2 and 3
- C.
1 and 4
- D.
3 and 4
- 12.Which microwave landing system component allows for selection of system status?
- A.
Integrated display computer unit
- B.
EGI
- C.
MMR
- D.
Control Processor
- 13.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?
- A.
4 o'clock position
- B.
5 o'clock position
- C.
6 o'clock position
- D.
7 o'clock position
- 14.Which radial will the aircradt be positioned on if the aircraft is located north of the very-high frequency omnirange station?
- A.
2.5 degrees
- B.
210 degrees
- C.
90 degrees
- D.
000 degrees
- 15.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 degrees, the selected course should be manually set to?
- A.
2.5 degrees
- B.
210 degrees
- C.
90 degrees
- D.
000 degrees
- 16.During instrument landing system operation, a full scale deflection of the horizontal situation indicator vertical needle indicates the aircraft is off course from the ruway centerline by?
- A.
2.5 degrees
- B.
210 degrees
- C.
90 degrees
- D.
000 degrees
- 17.In instrument landing system operation, a deflection of two dots on the attitude director indicator glide slope deviation scale indicates the aircraft is?
- A.
.6 degrees off glide path
- B.
.3 degrees off glide path
- C.
.25 degrees off glide path
- D.
.5 degrees off glide path
- 18.when instrument landing system marker beacon amber (orange) lamp illuminates, the pilot hears a?
- A.
300 Hz Tone
- B.
15 Hz Tone
- C.
1,300 Hz Tone
- D.
13 Hz Tone
- 19.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?
- A.
20
- B.
200
- C.
150
- D.
220
- 20.If the very-high frequency omnirange station signal is lost or the receiver malfunctions, the ARN-147 system parks the bearing pointer at the?
- A.
3 o'clock position
- B.
4 o'clock position
- C.
5 o'clock position
- D.
6 o'clock postion
- 21.In very-high frequency omnirange(VOR) mode, what information is sent to the horizontal situation indicator by the ARN-147 VOR/localizer receiver?
- A.
UP/down deviation, flag alarm, and TO/From
- B.
Up/Down deviation, Left/Right Deviation, Flag Alarm
- C.
Left/right deviation, flag alarm, and TO/FROM
- 22.What glide slope information is provided to the attitude director indicator when the AN/ARN-127 is operating in the instrument landing system mode?
- A.
UP/down deviations
- B.
Left/Right deviations
- C.
To/From Indications
- 23.The main reference burst is transmitted when the main lobe of the tactical air navigation surface beacon radiation pattern is due?
- A.
North
- B.
South
- C.
East
- D.
West
- 24.A tactical air navigation surface beacon provides a staion identification code (beacon identity tone) every?
- A.
5 seconds
- B.
15 seconds
- C.
30 seconds
- D.
45 seconds
- 25.During tactical air navigation operation, the two signals phased compared to produce the fine bearing +- 1 degree are the?
- A.
35-Hz variable and ARB
- B.
135-Hz variable and ARB
- C.
35-Hz nominal and ARB
- D.
135-Hz nominal and ARB
Questions: 124 | Attempts: 9950 | Last updated: Mar 22, 2022
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