ASN Wikibase Occurrence # 178194
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| Date: | Saturday 5 June 2004 |
| Time: | 15:50 |
| Type: |  Beechcraft S35 Bonanza |
| Owner/operator: | Private |
| Registration: | N6127Q |
| MSN: | D7569 |
| Total airframe hrs: | 5650 hours |
| Engine model: | Lycoming TIO-540-J2ED |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Flagstaff, Arizona -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Monument Valley, UT (71V) |
| Phoenix, AZ (DVT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane collided with ground obstructions during a forced landing following a loss of engine power. While in cruise flight the pilot observed a decrease in the engine manifold pressure. He adjusted the throttle to increase the manifold pressure, but the pressure continued to drop. He observed that the oil pressure was also low. The pilot declared an emergency and attempted to land at a nearby airport. The engine lost all power about 13 miles northeast of the airport and the pilot performed a forced landing on a highway. During the landing rollout the right wingtip contacted a highway guardrail and the wing was torn off the fuselage. Examination of the engine disclosed that the failure was due to oil exhaustion. The turbocharger oil drain line fitting gasket and o-ring was brittle and was broken. This allowed the oil to leak from the turbo charger, resulting in the loss on engine power.
Probable Cause: oil exhaustion due to a leak from the bottom oil drain line gasket and o-ring for the turbo charger.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040608X00767&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Aug-2015 15:46 | Noro | Added |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Dec-2017 18:05 | ASN Update Bot | Updated [Cn, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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