ASN Wikibase Occurrence # 30249
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| Date: | Monday 14 February 2000 |
| Time: | 17:00 |
| Type: |  Hughes 369HS |
| Owner/operator: | O'Hara Helicopters |
| Registration: | N717ST |
| MSN: | 350717S |
| Year of manufacture: | 1971 |
| Total airframe hrs: | 6221 hours |
| Engine model: | Allison 250-C10 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | 500 miles north of Papua, New Guinea -
 Pacific Ocean
|
| Phase: | Unknown |
| Nature: | Survey |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
On the third flight of the day, at 100 feet after takeoff from the fishing vessel, the pilot reported that he felt a grinding sensation from the cyclic control followed by a loud bang. After making the precautionary landing, the helicopter was struck by an ocean swell, rolled over, and subsequently sank. The pilot and observer were rescued uninjured from the water by the fishing vessel. It was noted that the foreign pilot did not possess a U.S. flight certificate.
Probable Cause: An unknown mechanical malfunction that resulted in a precautionary landing at sea and the subsequent sinking of the helicopter by an ocean swell.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001212X20519&key=1
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 12-Dec-2017 18:26 | ASN Update Bot | Updated [Operator, Total fatalities, Total occupants, Other fatalities, Nature, Source, Narrative] |
| 18-Sep-2019 14:46 | BEAVERSPOTTER | Updated [Aircraft type, Damage] |
| 07-Oct-2023 14:36 | harro | Updated [[Aircraft type, Damage]] |
Corrections or additions? ... Edit this accident description
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