ASN Wikibase Occurrence # 354001
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| Date: | Tuesday 4 August 1998 |
| Time: | 15:30 LT |
| Type: |  Enstrom F-28F |
| Owner/operator: | Private |
| Registration: | N8619M |
| MSN: | 704 |
| Year of manufacture: | 1981 |
| Engine model: | Lycoming HIO-360-FIAD |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Bryce Canyon, UT -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Executive |
| Departure airport: | (UT77) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was departing to the east when he noticed a drop in rotor rpm. He rolled the throttle, but no power was being produced from the engine. He landed straight ahead and performed a high altitude run on landing. After touching down, the helicopter slid approximately 30 to 40 feet. The left skid was caught in ground brush, and the left front support of the landing gear was broken. The tail rotor blades were bent, and while still rotating, impacted the skid bar, shearing the bar off and separating the gear box from the tail. The helicopter came to rest on its left side. Postaccident examination of the aircraft by an FAA inspector revealed the turbocharger had leaked oil into the induction system. According to his accident report, 'The slight power loss appears to have been caused by the oil leakage pass[ing] the seals in the turbocharger.'
Probable Cause: A partial loss of engine power due to an oil leak in the turbocharger system. Factors were high vegetation and high density altitude.
Accident investigation:
 |
|
Sources:
NTSB FTW98LA342
History of this aircraft
Other occurrences involving this aircraft
| 7 June 2022 | N600TA | Private | 2 | Greenville, OH | |
w/o |
| Cause undetermined | ||||||
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 10-Mar-2024 17:49 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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