ASN Wikibase Occurrence # 33082
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| Date: | 30-APR-1982 |
| Time: | |
| Type: |  Sikorsky S-76A |
| Owner/operator: | Okanagan Helicopters |
| Registration: | C-GIMF |
| MSN: | 760038 |
| Fatalities: | Fatalities: 13 / Occupants: 13 |
| Other fatalities: | 0 |
| Aircraft damage: | Written off (damaged beyond repair) |
| Location: | Gulf of Thailand -
 Thailand
|
| Phase: | En route |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | Songkhla |
| Erawan LQ | |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
Crashed into sea following loss of tail rotor control. A tail rotor control cable had been routed over a stainless steel grommet in the area of pulleys (2) under the Main Gear Box. The bracket holding these pulleys did not allow for visual confirmation of the routing. With a broken tail rotor control cable at that time, the tail rotor went immediately to full pitch, a condition from which a recovery was not possible.
A self centering device like that of the H-60 was later added which, under the same circumstances, would result in the T/R centering allowing a run-on landing to be performed. In September 1983 a US-registered S-76 (N-521AC) ditched in Lake Michigan following loss of tail rotor control.
Sources:
World Airliner Crashes/Terry Denham
https://www.flightglobal.com/FlightPDFArchive/1982/1982%20-%201844.PDF
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 11-Jun-2010 12:20 | TB | Updated [Aircraft type, Other fatalities, Phase, Nature, Source, Narrative] |
| 02-Jun-2012 01:51 | Anon. | Updated [Departure airport, Destination airport] |
| 01-Nov-2016 13:30 | Owenthai | Updated [Narrative] |
| 12-Jul-2019 21:31 | Aerossurance | Updated [Nature, Source, Narrative] |
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