Electrical System Malfunctions
T-45C TS, ADV & IUT ENG-03
2.
Verifications: loss of nonessential AC services
3.
Effects on flight safety
a.
Instrument flight and navigational capabilities
reduced by loss of nonessential AC
equipment:
(1) Radar altimeter
(2) VOR/ILS/MB
b.
Instrument approaches limited to TACAN or
radar approaches
B. Double inverter failure
1.
Indications
a.
MASTER ALERT flashes
b.
Caution tone sounds
c.
AC INV caution light illuminates
2.
Verifications: loss of all AC services (DC services
will remain available)
3.
Effects on flight safety
a.
If reset of AC inverter not possible, TACAN
azimuth, and GINA will be lost due to loss
of VAC
b.
Requires use of standby instruments for IMC
NOTE: The standby attitude indicator does not
depend on aircraft AC inverters. It will continue
to operate with 28 VDC supplied from the 28
VDC essential services bus.
c.
Maintain VMC if possible and land as soon as
practicable
d.
Normal instrument approaches impossible--
limited to radar approaches
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