ASN Wikibase Occurrence # 132369
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| Date: | Thursday 1 September 1988 |
| Time: | 09:50 |
| Type: |  Bell 206B |
| Owner/operator: | Petroleum Helicopters (PHI) |
| Registration: | N5747Z |
| MSN: | 3127 |
| Total airframe hrs: | 10622 hours |
| Engine model: | ALLISON 250-C20B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | West Cameron 28, Gulf of Mexico,125 Miles Off Louisiana -
 United States of America
|
| Phase: | Take off |
| Nature: | Offshore |
| Departure airport: | West Cameron 28 Drilling Platform, Gulf of Mexico |
| Lafayette, Lousiana | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT LANDED THE HELICOPTER ON A DRILLING PLATFORM AND INSTRUCTED THE MECHANIC TO INSTALL ONLY THE FORWARD TIE-DOWNS. THE MECHANIC SECURED THE FORWARD AND AFT TIE-DOWNS AND SECURED THE FORWARD ROTOR BLADES. WHEN THE PILOT RETURNED TO THE HELICOPTER, HE REMOVED THE ROTOR BLADE TIE-DOWN AND THE FORWARD TIE-DOWNS, BUT NOT THE AFT TIE-DOWNS. AFTER LIFT-OFF, THE HELICOPTER BECAME AIRBORNE IN A NOSE-HIGH ATTITUDE, SETTLED BACK ON THE SAFETY FENCE AND SLID BACKWARD INTO THE WATER
The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND
TIE DOWN..NOT CORRECTED..PILOT IN COMMAND
Contributing Factors:
INSTRUCTIONS,WRITTEN/VERBAL..NOT UNDERSTOOD..COMPANY MAINTENANCE PERSONNEL
Sources:
1. NTSB Identification: FTW88LA158 at https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001213X26835&key=1&queryId=aa59c768-c683-48d4-9bef-3dc31393354e&pgno=2&pgsize=20
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=5747Z
3. http://www.griffin-helicopters.co.uk/accidentdetails.aspx?accidentkey=9586
4. http://www.airport-data.com/aircraft/N5747Z.html
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Aug-2016 20:16 | Dr.John Smith | Updated [Operator, Location, Country, Phase, Departure airport, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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