ASN Wikibase Occurrence # 134282
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| Date: | Friday 23 November 2001 |
| Time: | 14:09 |
| Type: |  McDonnell Douglas 369HS |
| Owner/operator: | Hoffman Helicotpers, Inc. |
| Registration: | N4265D |
| MSN: | 430464S |
| Year of manufacture: | 1974 |
| Total airframe hrs: | 7660 hours |
| Engine model: | Allison T63-A-720 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Location: | off Rabaul, East New Britain -
 Papua New Guinea
|
| Phase: | Take off |
| Nature: | Survey |
| Departure airport: | fishing vessel |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
As the pilot began to lift the fish spotting helicopter off a helipad on a tuna fishing vessel, it rolled off the right side of the ship. The rotor blades hit the side of the ship and the helicopter entered the water inverted and sank. The operator stated that the probable cause was that the right side tiedowns and the APU cable were not removed by the shipboard helper prior to the pilot attempting to liftoff. The pilot reported to the operator that he believed he had checked the tiedowns before getting in the helicopter's left seat, but that it was also hard to see the right-hand side of the aircraft on the pad. The operator also noted that the shipboard helper is a Chinese national who does not speak English well and that communications between the two may not have been good.
Probable Cause: A dynamic roll over due to the pilot's inadequate preflight inspection and failure to ensure that all tiedowns were removed. A factor in the accident may have been the lack of clear communications between the pilot and the shipboard helper assigned as the helicopter ground crewman.
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20011127X02300&key=1
Air International March 2002, p143
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Dec-2017 13:17 | ASN Update Bot | Updated [Other fatalities, Departure airport, Source, Narrative] |
| 11-Apr-2018 07:09 | TB | Updated [Aircraft type, Location, Country, Departure airport, Source, Narrative] |
| 19-Jun-2023 05:28 | Ron Averes | Updated [[Aircraft type, Location, Country, Departure airport, Source, Narrative]] |
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