SECTION 3 CESSNA
EMERGENCY PROCEDURES MODEL 172S NAV III
GFC 700 AFCS
U.S.
ELECTRICAL POWER SUPPLY SYSTEM
MALFUNCTIONS (Continued)
HIGH VOLTS ANNUNCIATOR COMES ON OR M BATT
AMPS MORE THAN 40
(Continued)
i. COM1 and NAV1 - TUNE TO ACTIVE FREQUENCY
j. COM1 MIC and NAV1 - SELECT (COM2 MIC and NAV2 will
be inoperative once AVIONICS BUS 2 is selected to OFF)
When AVIONICS BUS 2 is set to OFF, the following items
will not operate:
k. AVIONICS Switch (BUS 2) - OFF (KEEP ON if in clouds)
3. Land as soon as practical.
Make sure a successful landing is possible before
extending flaps. The flap motor is a large electrical load
during operation.
(Continued Next Page)
Autopilot Audio Panel
COMM 2 NAV 2
Transponder MFD
172SPHBUS-00
3-18
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