Aviation Accident Summaries

Aviation Accident Summary ANC90LA078

ELMENDORF, AK, USA

Aircraft #1

N2759A

CHAMPION AERONCA 7DC

Analysis

THE PLT STATED THAT WHILE PREPARATING FOR FLT, HE WAS STARTING THE ENG BY HAND PROPPING. THE ENG FLOODED, SO HE OPENED THE THROTTLE, TURNED THE FUEL VALVES & MAGNETOS 'OFF' & PROPPED THE ENG 10 TIMES TO PUMP FUEL FROM THE CYLINDERS. HE THEN RETURNED TO THE COCKPIT, TURNED ON THE MAGNETOS & VERIFIED THE FUEL VALVES WERE OFF, BUT FORGOT TO CLOSE THE THROTTLE BEFORE RESUMING THE PROCEDURE. ALSO, HE DID NOT TIE-DOWN THE ACFT OR CHOCK ITS WHEELS. WHEN HE COMMENCED HAND PROPPING, THE ENG STARTED & WENT TO A HIGH POWER SETTING. SUBSEQUENTLY, THE ACFT HIT SVRL OBJECTS (INCLUDING A UTILITY POLE) & WENT INTO ABOUT 3 FT OF WATER IN A LAKE, BEFORE THE ENG STOPPED.

Probable Cause and Findings

FAILURE OF THE PILOT TO PROPERLY TIE DOWN AND CHOCK THE AIRCRAFT AND/OR OBTAIN PROPER ASSISTANCE, AND HIS FAILURE TO PROPERLY SET THE THROTTLE, WHILE HAND PROPPING TO START THE ENGINE.

 

Source: NTSB Aviation Accident Database

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