Accident ERCO 415-D Ercoupe N99746,
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ASN Wikibase Occurrence # 293147
 
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Date:Wednesday 24 August 2005
Time:13:30 LT
Type:Silhouette image of generic ERCO model; specific model in this crash may look slightly different    
ERCO 415-D Ercoupe
Owner/operator:Private
Registration: N99746
MSN: 2369
Engine model:Continental C 75-12
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Sandy Lake, Pennsylvania -   United States of America
Phase: Unknown
Nature:Private
Departure airport:Monongahela-Rostraver Airport, PA (KFWQ)
Destination airport:Meadville Airport, PA (MEJ/KGKJ)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The airplane experienced a total loss of engine power during cruise flight, and struck a tree during a forced landing. After the accident, the passenger reported the engine driven fuel pump failed. Review of a flight manual for the make and model airplane revealed that a fuel gauge was incorporated into the fuselage (header) fuel tank cap. Fuel flowed from the wing tanks, via the engine driven fuel pump, to the fuselage tank. Once in the fuselage tank, fuel was gravity fed into the engine. Further review of the manual revealed that in case of engine driven fuel pump failure, the engine would continue to function until the 6-gallon fuselage tank was drained. During an examination of the wreckage, the fuselage tank was observed to be empty, except for some residual fuel. The fuel was clear, consistent with 100LL aviation gasoline, and no contamination was observed. The engine driven fuel pump was removed from the engine for inspection. When the pump was actuated by hand, there was no movement or continuity to its mechanical linkage that connected into the engine. The inoperative pump was re-attached to the engine to prevent oil leakage, and 5 gallons of gasoline was added to the fuselage tank. The engine then started on the first attempt, without hesitation, and ran continuously at idle power and partial power.

Probable Cause: A total failure of the engine driven fuel pump, and the pilot's failure to recognize a diminishing fuel supply in the fuselage (header) fuel tank, which resulted in a total loss of engine power during cruise flight and subsequent collision with trees during a forced landing.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: NYC05LA137
Status: Investigation completed
Duration: 1 year
Download report: Final report

Sources:

NTSB NYC05LA137

Location

Revision history:

Date/timeContributorUpdates
09-Oct-2022 16:37 ASN Update Bot Added

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