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ASN Wikibase Occurrence # 134282
Last updated: 23 April 2018
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Date:23-NOV-2001
Time:14:09
Type:Silhouette image of generic H500 model; specific model in this crash may look slightly different
McDonnell Douglas 369HS
Owner/operator:Hoffman Helicotpers, Inc.
Registration: N4265D
C/n / msn: 430464S
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Airplane damage: Written off (damaged beyond repair)
Location:off Rabaul, New Britain -   Papua New Guinea
Phase: Take off
Nature:Survey
Departure airport:fishing vessel
Destination airport:
Narrative:
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/timeContributorUpdates
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]

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