ASN Wikibase Occurrence # 383511
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| Date: | Sunday 22 August 1982 |
| Time: | 10:00 LT |
| Type: |  Bell 206B |
| Owner/operator: | Grand Canyon Helicopters |
| Registration: | N83037 |
| MSN: | 1128 |
| Year of manufacture: | 1973 |
| Total airframe hrs: | 5093 hours |
| Engine model: | Allison C20-B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Grand Canyon, AZ -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Grand Canyon, AZ |
| Grand Canyon, AZ | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING FLIGHT AT ABOUT 300 FT AGL, THERE WAS AN ABRUPT LOSS OF ENGINE POWER. THE PILOT DESCENDED AT 60 TO 70 KTS, THEN MADE AN AUTOROTATIVE LANDING ON A DIRT ROAD. DURING THE LANDING, THE MAIN ROTOR BLADES STRUCK THE TAIL BOOM. AN ENGINE TEARDOWN REVEALED THAT THE SPUR ADAPTER GEARSHAFT, PN 6899196, HAD FAILED AT THE FORWARD SPLINES. THE PILOT REPORTED THAT THE DENSITY ALTITUDE WAS OVER 9000 FT.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB LAX82DA311
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Apr-2024 01:25 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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