ASN Wikibase Occurrence # 173178
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| Date: | Saturday 6 March 2004 |
| Time: | 16:23 |
| Type: |  Bell 206L-3 LongRanger III |
| Owner/operator: | Petroleum Helicopters Inc. |
| Registration: | N81SP |
| MSN: | 51029 |
| Year of manufacture: | 1982 |
| Total airframe hrs: | 14167 hours |
| Engine model: | Rolls-Royce 250-C3OP |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | W. Cameron 149, Gulf Of Mexico -
 United States of America
|
| Phase: | Take off |
| Nature: | Offshore |
| Departure airport: | W. Cameron 149, GM (GOM) |
| West Cameron 98, GM | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Approximately 10 seconds after takeoff from an offshore platform, the 3,299-hour pilot heard a loud bang and the engine lost partial power. The pilot initiated an autorotation to the water, and then heard a subsequent bang. Prior to touchdown, the pilot attempted to inflate the floats; however, the floats did not inflate. The pilot executed a flare, "pulled in pitch"; the helicopter "still had power" and entered into a hover. The pilot reported the helicopter "seemed to still be pulling in power when the [helicopter] touched the water then rolled and the blades hit [the water]." Inspection of the engine revealed minor damage to the compressor diffuser vane and the impeller, and foreign object damage (FOD) in the combustion chamber. It was not determined if the FOD occurred prior to the impact with the water. The reason for the partial loss of engine power was not determined.
Probable Cause: A partial loss of engine power due to undetermined reasons. A contributing factor was the emergency floats not being deployed.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040309X00296&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Jan-2015 20:50 | Noro | Added |
| 30-Nov-2016 22:28 | Aerossurance | Updated [Operator] |
| 30-Nov-2016 22:28 | Aerossurance | Updated [Time, Nature] |
| 07-Dec-2017 18:51 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Damage, Narrative] |
| 13-Mar-2021 17:23 | TB | Updated [Aircraft type, Damage, Narrative] |
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