ASN Wikibase Occurrence # 377058
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| Date: | Saturday 8 June 1985 |
| Time: | 20:30 LT |
| Type: |  Robinson R22 |
| Owner/operator: | Classic Helicopters, Inc. |
| Registration: | N8490D |
| MSN: | 403 |
| Year of manufacture: | 1984 |
| Total airframe hrs: | 1060 hours |
| Engine model: | LYCOMING O-320-B2C |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Port Orchard, WA -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | (0S8) |
| (OS8) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE INSTRUCTOR PLT (CFI) WITH ONLY 358 HRS TOTAL FLT TIME WAS DEMONSTRATING AN AUTOROTATION WITH A POWER RECOVERY. DURING THE RECOVERY, THE CFI FAILED TO FULLY REGAIN RPM & THE HELICOPTER SETTLED TO THE SURFACE. WITH A LOW ROTOR RPM, THERE WAS A LOSS OF TAIL ROTOR EFFECTIVENESS & THE HELICOPTER TURNED TO THE RIGHT. SUBSEQUENTLY, THE HELICOPTER TOUCHED DOWN WITH FORWARD MOVEMENT & RIGHT YAW, THEN ROLLED OVER. THE CFI REPORTED THAT THE WIND WAS FROM THE NORTH AT 10 GUSTING 15 KTS.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB SEA85LA129
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Mar-2024 07:44 | ASN Update Bot | Added |
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