CNI System Malfunctions
T-45C TS, ADV & IUT ENG-22
Examples of hazards:
*
Lost COMM procedures will apply if both normal and
alternate COMM amplifier circuitry fails
*
Complicates the handling of emergencies if dual
*
Requires use of deck ground handling signals
*
You are responsible for all traffic separation
C. Centralized warning system (CWS) audio failure
1.8.1.8.1.1
1. Indications
a. Warning/caution tone without corresponding light
b. No warning/caution tone with warning or caution
lights
2. Verifications
a. Verify with associated instruments, indicators, and
gauges
b. Tone test with MASTER TEST switch
c. WCP light test with MASTER TEST switch
d. Other cockpit experiences same problem
3. Effects on flight safety
a. An uncommanded tone can distract you from
performing normal cockpit duties
b. The absence of a tone coincident with a warning/
caution light may delay application of emergency
procedures
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