Aviation Accident Summaries

Aviation Accident Summary SEA91LA093

ELMA, WA, USA

Aircraft #1

N81578

AERONCA 7BCM

Analysis

AT THE BEGINNING OF A FLIGHT, THE PILOT REPORTED THAT HE HAD PLACED CHOCKS IN FRONT OF THE MAIN LANDING GEAR AND RETURNED TO THE COCKPIT TO TURN ON THE FUEL. THE PILOT THEN PROCEEDED TO THE PROPELLER TO PULL THE ENGINE THROUGH. AS THE PILOT TURNED THE PROPELLER, THE ENGINE STARTED AT A HIGH RPM AND THE AIRCRAFT JUMPED THE CHOCKS. THE PILOT TRIED TO HANG ONTO THE RIGHT WING AS IT SWUNG AROUND ONCE, MISSING THE FUEL PUMPS AND A PARKED PIPER. THE AIRCRAFT CAME AROUND FOR THE SECOND TIME AND COLLIDED INTO THE RIGHT SIDE OF THE PIPER.

Probable Cause and Findings

THE PILOT USED INADEQUATE STARTING PROCEDURES. FACTORS TO THE ACCIDENT WERE: THE PILOT DID NOT USE PROPER ASSISTANCE AND THE PASSENGER'S INADVERTENT CONTROL INTERFERENCE.

 

Source: NTSB Aviation Accident Database

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