Before Takeoff (Run-Up)

Parking Brake SET Seats, Belts, Shoulder Harnesses CHECK secure Doors and Windows CLOSED and LOCKED Flight Controls FREE and CORRECT Flight Instruments CHECK and SET Fuel Selector Valve BOTH Mixture RICH (below 3,000 ft elevation) Elevator Trim SET for takeoff Throttle 1800 RPM Magnetos CHECK (max drop 125 RPM, max differential 50 RPM) Carburetor Heat CHECK (for RPM drop) Engine Gauges and Ammeter CHECK Suction Gauge CHECK Throttle CHECK IDLE, then set 1000 RPM Throttle Friction Lock ADJUST Strobe Lights ON Avionics / GPS / Autopilot SET for departure Radios SET (frequencies, volumes) Autopilot OFF Transponder ALT Flaps SET for takeoff (0° or 10°) Brakes RELEASE