ASN Wikibase Occurrence # 359033
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| Date: | Wednesday 10 May 1995 |
| Time: | 08:50 LT |
| Type: |  Hughes 269C |
| Owner/operator: | Private |
| Registration: | N7443F |
| MSN: | 460499 |
| Total airframe hrs: | 1214 hours |
| Engine model: | LYCOMING HIO-360-D1A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lamont, WA -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Lind, WA |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING A LOCAL FLIGHT AFTER MAINTENANCE, THE PILOT REPORTED THAT THE ENGINE EXPERIENCED A LOSS OF POWER. AN AUTOROTATION WAS INITIATED TO AN OPEN FIELD WHERE THE HELICOPTER TOUCHED DOWN HARD AND ROLLED ONTO ITS RIGHT SIDE. DOCUMENTATION OF THE WRECKAGE AT THE ACCIDENT SITE INDICATED EVIDENCE OF A LOW ROTOR RPM AT THE TIME OF THE COLLISION. DURING THE POST-CRASH ENGINE INSPECTION, NO EVIDENCE WAS FOUND TO INDICATE A MECHANICAL FAILURE OR MALFUNCTION. THE PILOT ALSO REPORTED THAT THE CYCLIC CONTROL WAS 'TOUGH TO CONTROL.' EXAMINATION OF THE CONTROL SYSTEM DID NOT REVEAL ANY ABNORMALITIES.
Probable Cause: UNDETERMINED LOSS OF ENGINE POWER AND AN INADEQUATE AUTOROTATION.
Accident investigation:
 |
|
Sources:
NTSB SEA95LA097
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Mar-2024 20:55 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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