Accident Aeronca 7AC N84903,
ASN logo
ASN Wikibase Occurrence # 364905
 
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information. If you feel this information is incomplete or incorrect, you can submit corrected information.

Date:Tuesday 16 July 1991
Time:22:00 LT
Type:Silhouette image of generic CH7A model; specific model in this crash may look slightly different    
Aeronca 7AC
Owner/operator:Kent Sherman
Registration: N84903
MSN: 4702468
Total airframe hrs:4601 hours
Engine model:CONTINENTAL C-90-12F
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Chataniak Vly, AK -   United States of America
Phase: Initial climb
Nature:Private
Departure airport:
Destination airport:Bradley Sky, AK
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE PILOT-IN-COMMAND STATED HE EXPERIENCED AN ENGINE PROBLEM DURING HIS TAKEOFF AND SUBSEQUENTLY WAS FORCED TO LAND OFF THE LAKE. EXAMINATION OF THE AIRPLANE, AND SUBSEQUENT ENGINE TEST RUN, SHOWED NO REASON FOR A MECHANICAL FAILURE OF THE ENGINE. HOWEVER, THE FUEL SELECTOR VALVE WAS MISLABELED. THE CENTER POSITION OF THE FUEL SELECTOR VALVE WAS LABELED 'MAIN,' BUT WAS ACTUALLY AN 'OFF' POSITION. IT WAS UNDETERMINABLE WHAT POSITION THE FUEL SELECTOR VALVE WAS IN DURING THE TAKEOFF AND CRASH SEQUENCE. AUTOMOTIVE FUEL WAS BEING USED WITHOUT A SUPPLEMENTAL TYPE CERTIFICATE.

Probable Cause: PARTIAL LOSS OF ENGINE POWER FOR AN UNDETERMINED REASON.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ANC91LA101
Status: Investigation completed
Duration: 1 year and 5 months
Download report: Final report

Sources:

NTSB ANC91LA101

Location

Revision history:

Date/timeContributorUpdates
19-Mar-2024 20:04 ASN Update Bot Added

Corrections or additions? ... Edit this accident description

The Aviation Safety Network is an exclusive service provided by:
Quick Links:

CONNECT WITH US: FSF on social media FSF Facebook FSF Twitter FSF Youtube FSF LinkedIn FSF Instagram

©2024 Flight Safety Foundation

1920 Ballenger Av, 4th Fl.
Alexandria, Virginia 22314
www.FlightSafety.org