Selective calling: reduces the burden on the flight crew by alerting them to the need to respond the uncomming messages.
Is a system of VHF.
Similar to AM modulation.
Selective calling: increases the burden on the flight crew by alerting
them to the need to respond the uncomming messages.
Question 8
Question
8. Data link:
Answer
Is an improvement over HF voice communications owing to the bit encoding inherent in a data link message format which permits the use of error -correcting codes.
Has a very low data rate.
Has a rapid network acquisition.
All are correct.
Question 9
Question
1. HFDL :
Answer
Is High Frequency DataLink that has stations that has wide coverage
It has fast date rate
It is complex
It is only possible one simultaneous band
Question 10
Question
2. At high frequencies in VHF:
Answer
a) The band does not adapt to the Earth
b) It travells in straight lines
c) a and b
d) It adapts perfectly to the Earth
Question 11
Question
3. The frequency of guard channel is:
Answer
UHF: 243.00 MHZ
VHF: 121.5 MHZ
UHF: 116.6 MHZ
VHF: 212.0 MHZ
UHF: 196.6 MHZ
VHF: 211.0 MHZ
UHF: 117.6 MHZ
VHF: 202.0 MHZ
Question 12
Question
4. VHF communications:
Answer
It has minimal interferences
It has high quality of sound
Military must maintain a listen watch on guard frequency
All of them are true
Question 13
Question
5. ACARS:
Answer
a) Is a datalink that emits information like passengers loads, fuel data and engine performance date
b) Is datalink in UHF that does not emit any info
c) Is one of the 3 pieces of VHF equipment and it is very used
d) A and c
Question 14
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6. SATCOM:
Answer
Uses 4 geostationary satellites
They cover with high intensity the poles
It means Satellite Coordination Moon
Uses 10 stationary satellite
Question 15
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7. Geo locations:
Answer
a) Are subdivided into fixed slots of 2 degrees longitudinal
b) Are subdivided into fixed slots of 10 degrees longitudinal
c) Is occuped by geostationary satellites whose change in position is the same as the Eart
d) A and c
Question 16
Question
1. The Flight Director System:
Answer
a) Computes the pitch and roll commands to achieve or maintain a condition of flight
b) The system applied the corrections needed
c) The commands are applied by the crew
d) A and C are true
Question 17
Question
2. According to the Flight Director Modes
Answer
a) The vertical mode includes the velocity and the navigation
b) The horizontal mode controls the glide path in the approach
c) Special modes are used to control the heading and the altitude
d) All of them are false
Question 18
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3. The automatic flight control system
Answer
a) It stabilizes, maneouvers, and controls automatically the plane
b) It responds automatically to inflight emergencies
c) It does not need any supervision by the flight crew
d) All of them are true
Question 19
Question
4. The closed loop control of an AFCS:
Answer
From an error signal, another signal is generated to act in the way of correcting the error
It does not need a servomotor
The feedback loop moves the control surface
All of them are true
Question 20
Question
5. According to the AFCS
Answer
Two axes AFCS can perform automatic landings
Single axis AFCS only control pitch movement (elevators)
Three axes AFCS controls pitch, roll and yaw
Two axes AFCS controls pitch and yaw to maintain navigation
Question 21
Question
6. The AFCS also:
Answer
It can detect a dutch roll condition, but the pilot is the only one who can correct it
The tuck under condition system is only applied on supersonic flights
It contains a flight envelope protection
The yaw damper is used to limit the load factor of some planes