Cessna 172 R Pilot Operating Handbook page 59

Supplement POH
Cessna 172 R&S
(FAA-Version)
(2) Flap – Check for security and conditions
BEFORE STARTING ENGINE
(1) Preflight Inspection – COMPLETE
(2) Passenger Briefing – COMPLETE
(3) Seats and Seat Belts – ADJUST and LOCK. Ensure inertia
reel locking.
(4) Brakes – TEST
(5) Circuit Breakers – CHECK IN
(6) Electrical Equipment, Autopilot (if installed) – OFF.

CAUTION:
(7) Avionics Master Switch – OFF.
(8) Circuit Breakers – CHECK IN
(9) Avionics Circuit Breakers – CHECK IN.
(10) Battery, Alternator and Main Bus Switches – ON

CAUTION:
(11) Fuel Quantity and Temperature – CHECK
(12) Fuel Selector Valve – SET to BOTH position.The fuel
temperature limitations must be observed.
(13) Fuel Shut-off Valve – OPEN (Push Full In)
(14) Alternate Air Door – CLOSED
(15) Thrust Lever – CHECK for freedom of movement
(16) Load Display – CHECK 0% at Propeller RPM 0
The Avionics Power Switch must be off
during engine start to prevent possible
damage to avionics.
The electronic engine control needs an
electrical power source for its operation. For
normal operation Battery, Alternator and
Main Bus have to be switched on. Separate
switching is only allowed for tests and in the
event of emergencies.
Page 4-7
Issue 3
Revision 1, Jan. 2018