ASN Wikibase Occurrence # 294787
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Date: | Saturday 17 July 2004 |
Time: | 19:00 LT |
Type: | Mooney M20C |
Owner/operator: | Emp. Av Corp |
Registration: | N6773U |
MSN: | 2495 |
Year of manufacture: | 1963 |
Total airframe hrs: | 4627 hours |
Engine model: | Lycoming O-360-A1D |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Escalante, Utah -
United States of America
|
Phase: | Unknown |
Nature: | Private |
Departure airport: | Escalante, UT (1L7) |
Destination airport: | Escalante, UT (1L7) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:According to the pilot, approximately 25 minutes into the flight, the engine began to run rough and shake "violently." A few monuments later, blue smoke came out of the engine cowling and filled the cabin. The pilot shut down the engine, and attempted a forced landing to an exposed sand bar adjacent to a river. When the airplane impacted the sand bar, the nose landing gear and both main landing gear assemblies collapsed, substantially damaging the airplane's firewall and both wings. An engine examination revealed that a brass quick-drain fitting, installed in the engine's oil pan, had unscrewed and fallen out. The quick-drain fitting was not secured with safety wire.
Probable Cause: the improper installation of an oil pan quick-drain fitting resulting in the loss of engine oil, failure of the engine, and subsequent impact with terrain following an attempted forced landing. A contributing factor was the lack of suitable terrain for a forced landing.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | DEN04LA105 |
Status: | Investigation completed |
Duration: | 3 months |
Download report: | Final report |
|
Sources:
NTSB DEN04LA105
Revision history:
Date/time | Contributor | Updates |
12-Oct-2022 09:05 |
ASN Update Bot |
Added |
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