Accident Aeronca 7BCM N81578,
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ASN Wikibase Occurrence # 365423
 
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Date:Saturday 20 April 1991
Time:12:40 LT
Type:Silhouette image of generic CH7A model; specific model in this crash may look slightly different    
Aeronca 7BCM
Owner/operator:Private
Registration: N81578
MSN: 7AC-197
Year of manufacture:1945
Engine model:CONTINENTAL A-65-9
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Elma, WA -   United States of America
Phase: Standing
Nature:Private
Departure airport:
Destination airport:Shelton, WA (KSHN)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
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: 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.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: SEA91LA093
Status: Investigation completed
Duration: 1 year and 9 months
Download report: Final report

Sources:

NTSB SEA91LA093

Location

Revision history:

Date/timeContributorUpdates
20-Mar-2024 09:59 ASN Update Bot Added

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