As soon as you enter the cockpit, make sure that the ignition switch is OFF and the mixture control is at IDLE CUT-OFF. Perform the following check around the cockpit, working from left to right:

1. Fuselage fuel

Check the gauge on top of the fuselage tank.

2. Flap handle


3. Carburetor ram air control

Forward in RAM AIR position (unless FILTERED AIR required).

4. Carburetor hot air control

Forward to NORMAL position (unless HOT AIR required).

5. Trim tabs

Rudder trim - 6° right -- Aileron trim - 0° -- Elevator trim - Set as per fuselage tank level < 25 gal set to 0° if > 25 gal set to 2 - 4°

6. Landing gear handle


7. Left fuel gauge

located on floor at your left.
check gauge

8. Mixture control


9. Propeller control

full forward to INCREASE.

10. Throttle

open 1 inch.

11. Gunsight gyro selector switch


12. Gunsight gyro motor switch


13. Armament switches

Rockets switch SAFE, Bombs switches OFF, Gun safety switch OFF.

14. Altimeter

zero or set at airfield elevation, as required.

15. Gyro instruments

uncage directional gyro (uncaged by default) and flight indicator.

16. Controls

Check the stick and rudder controls to ensure they operate without binding. Watch the control surfaces for correct response.

17. Parking brakes

set. Don’t try to hold the aircraft with foot brakes.

18. Supercharger

AUTO (set by default).

19. Fuel shut-off valve


20. Fuel selector valve

set to left wing tank.

21. Right fuel gauge

located on floor at your right.
check gauge

22. Fuel booster


23. Battery and generator switches


24. Coolant and oil radiator flap control switches

operate manually from CLOSE to OPEN and check by listening to determine whether the doors are operating. Maintain both flap doors fully OPEN while running the engine on the ground (flap doors will be set to AUTOMATIC for takeoff).

For all ground operations, the oil and radiator flap doors should be fully open to prevent overheating.


Prime and start – having completed this left to right check, you’re now ready to start the engine in accordance with the procedure provided below. Prior to doing so, the following items need to be checked, depending on the mission

Before any flight, check the landing gear warning lights by pushing on the lamp housings.
If you expect to use oxygen, check the gauge for a pressure of 400 PSI.
If night flying is anticipated, check all essential lights – instrument fluorescent lights, cockpit swivel lights, position and recognition lights, and landing lights.

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