APX-72 IFF Flashcards
0
Q
How many codes for mode 1?
A
32
1
Q
Five modes of IFF:
A
1-military 2-military 3A-civilian C-altitude reporting 4-secure IFF
2
Q
How many codes for mode 2?
A
4,096
3
Q
When does the IFF caution light illuminate?
A
- Mode 4 is inoperative
- 3-6 seconds each time transponder is powered on
- Mode 4 codes have zeroized
- KIT-1C self test fails
- Transponder is not replying to mode 4
4
Q
What are the transmit and receive frequencies?
A
Transmit=1090 MHz
Receive= 1030 MHz
5
Q
What is the function of the MIC position of the IDENT/MIC switch?
A
Enables identification of position reply for 30 seconds each time microphone is keyed for UHF or VHF
6
Q
Which barometric altimeter does IFF use for altitude reporting?
A
Pilot
7
Q
Circuit breaker for IFF test set.
A
FLC upper
K16
8
Q
Circuit breakers for KIT-1C.
A
FLC upper
K15
FLC lower
Transponder PWR IFF
9
Q
Circuit breaker for Transponder.
A
FLC upper
K15
FLC lower
Transponder PWR IFF
