T-45C TS, ADV & IUT ENG-22
CNI System Malfunctions
Examples of hazards:
*
Uncommanded tone may interfere with UHF/VHF
*
Loss of continuous warning tone with warning
lights
*
Loss of one second caution tone with caution
lights
*
Loss of wheels-up and stall warning tones and
weapons release tones
D. Identification Friend or Foe (IFF) transponder failure
1.8.1.9.6.1
1. Indications
a. ATC reports unable to read squawk
b. ATC reports unable to read Mode-C altitude
2. Verifications
a. IFF control panel configured properly
b. STATUS ANT light illuminated
c. BIT fails
3. Effects on flight safety
a. Loss of IFF ATC radar identification
b. ATC flight restrictions or special handling required
II. Navigation system malfunctions 1.8.1.9.4.1, 2.8.1.1
A. GINA failure GPS or INS
1. GPS failure (not just a loss of satellite lock-on)
a. HYBD legend goes blank
b. GPS legend goes blank
Original (9-98)
Page 22-7