Piper PA-39 Twin Comanche C/R - Page 102

TWIN COMANCHE C/R
I
1.
7
3:
4.
5.
6.
7.
8.
I
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
Magneto and master switches - OFF.
Fuel strainer sump - drained and not leaking.
Fuel selectors on main cells.
Control surfaces, wing. fuselage - no damage or operational interference.
Control surface - free of obstructions, frost, ice and snow.
Fuel supply - adequate.
Fuel cell caps - secure.
Fuel system vents - open.
Landing gear struts - 2-l/4” to 2-3/4” piston exposed under static load.
Tires - inflated and not excessively worn.
Cowling, landing gear doors, oil and inspection covers - secure.
Propellers - check.
Oil supply - adequate.
Leaks - absent.
Windshield - clean and secure.
Dorsal fin air scoop - free of obstruction.
Control locks - detached.
Baggage door - secure.
Tow bar - stowed.
Cabin controls - operative.
Gear selector switch - down.
Required papers ; in order.
Turn master switch on - check stall warning system.
Check navigation lights.
BEFORE STARTING ENGINES
1.
2.
3.
4.
5.
6.
7.
;*
10:
11.
12.
13.
14.
15.
16.
17.
PAGE 2
Baggage - secure.
Weight and C. G. - compute.
Performance - compute.
Aircraft papers - in order.
Maps and charts - check.
Baggage and main door - locked.
Crew seats - adjust.
Seat belts - secure.
Shoulder harness - secure.
Parking brake - set.
Altimeter - set.
Controls - response.
Oxygen press. - check.
Fuel valves - on, main.
Circuit breakers - check.
Switches (Radio etc.) - off.
Except: Main voltage regulator - on (for airplane serial numbers 39-1 thru 39-145 only).
Alternator circuit breaker switches - on.
Turbochargers - off.
OPERATING INSTRUCTIONS
ISSUED: June 1,197O
REVISED: April 28,1972