ASN Wikibase Occurrence # 34758
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| Date: | Friday 19 June 1998 |
| Time: | 21:21 LT |
| Type: |  Beechcraft A36 Bonanza |
| Owner/operator: | Garry C. Waite |
| Registration: | N3861K |
| MSN: | E-1842 |
| Year of manufacture: | 1981 |
| Total airframe hrs: | 2228 hours |
| Engine model: | Continental IO520BB16B |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Nephi, UT -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Las Vegas, NV (KVGT) |
| (U14) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported to Salt Lake City ARTCC that 'I've lost an engine and the cockpit is filling with smoke.' Five minutes later the pilot reported that 'my cylinders are all blown, I've got smoke comin' through.' He stated that he would shut off the electrical power as soon as the landing gear was down. A witness observed N3861K appear from behind a one-story building flying 'what appeared to be straight up in the air, and then it veered sharply to the right, then went straight down.' The airplane had been modified with a turbonormalizing system and the installer recommended that the tailpipe be removed for internal inspection of the turbocharger every 100 hours. Postaccident examination of the turbine exhaust flange revealed a 3-inch portion was missing and the fuel selector was found on the right main fuel tank. Several items from the airplane were found outside the postimpact fire area and they exhibited fire damage: the cabin entrance door, the cargo door, a passenger's shoe, and the engine cowling. The firewall had an 18 inch hole burned through it. Toxicology tests on the pilot revealed that fluoxetine (trade name Prozac, a non-approved drug for flight status) was present in his blood.
Probable Cause: The improper installation of the turbocharger exhaust stack by unknown maintenance personnel and the subsequent fire in the engine compartment due to the exhaust gas leak from the turbocharger. Factors were the total loss of engine power due to fuel line failure and subsequent fuel starvation, the pilot not following proper emergency procedures, and the loss of aircraft control due to the pilot's incapacitation following the spread of the fire to the cabin area.
Accident investigation:
 |
|
Sources:
NTSB FTW98FA276
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 07-Apr-2024 10:23 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report] |
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