ASN Wikibase Occurrence # 35539
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| Date: | Wednesday 15 May 1996 |
| Time: | 09:24 LT |
| Type: |  Cessna 320A Skyknight |
| Owner/operator: | Gurr, John, T. |
| Registration: | N600JR |
| MSN: | 320A0028 |
| Year of manufacture: | 1962 |
| Total airframe hrs: | 4477 hours |
| Engine model: | Continental TSIO-470-B |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Provo, UT -
 United States of America
|
| Phase: | En route |
| Nature: | Training |
| Departure airport: | Salt Lake City, UT (KSLC) |
| Provo, UT (KPVU) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The owner and flight instructor were advised by a ramp service agent of a fuel leak coming from the underside of the right engine after starting the left engine. The left engine was shut down and one of the pilots examined the leak and then re-entered the aircraft. The aircraft's left engine was then restarted followed by the right engine, and then the aircraft was taxied out for takeoff. The first takeoff was aborted for undetermined reasons. The aircraft then departed. Approximately 40 minutes later a radio transmission from the aircraft indicated an engine fire. The aircraft was witnessed diving toward the surface of Utah Lake and then skipping over the water before disappearing in a plume of spray. The aircraft crashed approximately two miles northwest of the Provo Municipal airport in 12 feet of water. Postcrash examination revealed an extensive fire in the right engine accessory area and aft into the wing locker area. Metallurgical examination of the right engine exhaust manifold components revealed erosion, oxidization, pitting, cracking and holes in areas of the exhaust tubing.
Probable Cause: A fuel leak most probably ignited by hot exhaust gases from the leaking right engine manifold exhaust system, the decision by the pilots to operate the aircraft with knowledge of the fuel leak, and the pilot-in-command's failure to maintain adequate clearance with the lake surface.
Accident investigation:
 |
|
Sources:
NTSB SEA96FA094
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 16-Nov-2022 20:24 | Ron Averes | Updated [Aircraft type] |
| 09-Apr-2024 06:58 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Accident report] |
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