ASN Wikibase Occurrence # 132596
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| Date: | Sunday 9 December 1990 |
| Time: | 08:42 |
| Type: |  Bell 206L-1 LongRanger II |
| Owner/operator: | Industrial Helicopters, Inc. |
| Registration: | N5753B |
| MSN: | 45514 |
| Year of manufacture: | 1980 |
| Engine model: | ALLISON 250-C28B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | West Cameron 266 Oil Platform, Gulf of Mexico off Lousiana -
 United States of America
|
| Phase: | Landing |
| Nature: | Offshore |
| Departure airport: | Lafayette. Louisiana |
| West Cameron 266 Oil Platform, Gulf of Mexico | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter was landing on the West Cameron Oil Platform in the Gulf of Mexico. Upon touchdown, the right rear landing skid collapsed causing the tail rotor to strike the deck. As the pilot applied collective pitch to level the helicopter, it started spinning. The helicopter's main rotor blades struck the deck and separated as the fuselage spun off the helideck, landing on a lower deck.
A metallurgical examination revealed that the failure was due to high cycle low stress fatigue. The NTSB determined the cause to be: Failure of the helicopter's aft undercarriage cross-tube assembly due to fatigue
Sources:
1. NTSB Identification: FTW91LA023 at https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001212X24761&key=1&queryId=d516a4e3-4b05-40fa-a967-07765f04abe7&pgno=1&pgsize=50
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=5753B
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Apr-2016 23:00 | Dr.John Smith | Updated [Location, Country, Departure airport, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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