Date:	Monday 26 June 1978
Time:
Type:	Sikorsky S-61N-II
Owner/operator:	Helikopter Service
Registration:	LN-OQS
MSN:	61760
Year of manufacture:	1976
Fatalities:	Fatalities: 18 / Occupants: 18
Other fatalities:	0
Aircraft damage:	Destroyed
Category:	Accident
Location:	North Sea, 55 nm NNW off Bergen -   Norway
Phase:	En route
Nature:	Offshore
Departure airport:	Bergen Flesland
Destination airport:	Statfjord A offshore installation
Investigating agency:	Flyhavarikommisjon
Confidence Rating:	Information verified through data from accident investigation authorities

Narrative:
Crashed into the sea suddenly after a failure of a main rotor spindle.

jp4 9/78
Hamburger Abendblatt 27.6.1978
Netherlands national archive, press photo of parts of the wreckage: http://proxy.handle.net/10648/8ef97fac-713b-7241-0353-585b69d0181d

Date/time	Contributor	Updates
02-May-2009 03:50	zerocinquanta	Added
18-Sep-2009 03:31	harro	Updated
10-Oct-2009 09:35	Anon.	Updated
29-Dec-2009 10:41	TB	Updated [Aircraft type, Cn, Other fatalities, Location, Nature, Narrative, ]
29-Apr-2011 15:12	TB	Updated [Departure airport, Destination airport, Source, Narrative, ]
23-Aug-2014 13:53	Aerossurance	Updated [Location, Nature, Departure airport, Destination airport, Source, Narrative, ]
03-Nov-2015 16:39	TB	Updated [Location, ]
14-Nov-2015 15:15	Aerossurance	Updated [Location, Source, Narrative, ]
15-Apr-2020 06:08	harro	Updated [Source, Accident report, ]
16-May-2021 11:08	Hoekb03	Updated [Source, ]
10-Oct-2025 13:43	ASN	Updated