Radio Altimeter Flashcards
1
Q
How many antennas does the radio altimeter have?
A
2
2
Q
What is the carrier wave band frequency for a radio altimeter?
A
4200 to 4400 MHz
3
Q
What distance does the the radio altimeter measure when in the landing attitude?
A
Wheels to ground
4
Q
When does the radio altimeter start measuring from ground level?
A
At 2500ft.
5
Q
What happens if there is a discrepancy between radio altimeters?
A
Warns or stops using data
6
Q
After a radio altimeter failure, which of the following systems are affected?
- Autobrake system
- EGPWS
- Autothrottle
- ISIS
A
2/3
7
Q
Which of the following will be affected by a radio altimeter failure?
- Air Data Computer
- Autothrust
- GPWS
- Altitude alert system
A
2/3
8
Q
A radio altimeter operates in the blank blank frequency band.
A
Super high
