Accident Ercoupe 415-C N93788,
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ASN Wikibase Occurrence # 292640
 
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Date:Saturday 11 February 2006
Time:16:00 LT
Type:Silhouette image of generic ERCO model; specific model in this crash may look slightly different    
Ercoupe 415-C
Owner/operator:
Registration: N93788
MSN: 1111
Engine model:Continental C85
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Arlington, Washington -   United States of America
Phase: Unknown
Nature:Private
Departure airport:Arlington Municipal Airport, WA (AWO/KAWO)
Destination airport:Everett-Snohomish County Airport, WA (PAE/KPAE)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
According to the pilot, earlier in the afternoon, he flew the airplane from one airport to another, and he and his passenger had lunch at the destination airport. The pilot reported that he experienced "some difficulty restarting the plane" for the return trip. After "several tries," he was able to restart the engine. The pilot stated that he did not recall checking the engine oil pressure after restarting the engine. After takeoff on runway 34, the pilot "noticed that the oil pressure indicated 0." He reduced power and maneuvered the airplane for an emergency landing on runway 11. During the turn to final, the airplane "lost altitude," and the pilot attempted to stop the descent by adding power, but the left wing struck the ground. According to the pilot, about 6 months before the accident, "there were several incidents where the oil pressure failed to come up after a stop for lunch. After mechanics replace[d] the oil pressure relief valve, this had not been a problem." The reason for the loss of oil pressure on the accident flight was not determined.

Probable Cause: The pilot's excessive descent rate and his delay in taking action to reduce the descent rate which resulted in an in-flight collision with the runway during an emergency landing. Contributing factors were the total loss of engine oil pressure and the pilot's failure to check the oil pressure gage after engine start which would have resulted in detection of the oil pressure problem prior to takeoff.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: SEA06CA051
Status: Investigation completed
Duration: 3 months
Download report: Final report

Sources:

NTSB SEA06CA051

Revision history:

Date/timeContributorUpdates
09-Oct-2022 07:13 ASN Update Bot Added

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