Helikopter Service Flight 165

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Helikopter Service Flight 165
Accident summary
Date 26 June 1978
Summary Structural failure
Site North Sea, Norway
61°01′N 002°48′E / 61.017°N 2.800°E / 61.017; 2.800Coordinates: 61°01′N 002°48′E / 61.017°N 2.800°E / 61.017; 2.800
Passengers 16
Crew 2
Injuries (non-fatal) 0
Fatalities 18
Survivors 0
Aircraft type Sikorsky S-61
Operator Helikopter Service
Registration LN-OQS
Flight origin Bergen Airport, Flesland, Bergen, Norway
Destination Statfjord A, North Sea, Norway

Helikopter Service Flight 165 was a crash of a Sikorsky S-61 helicopter into the North Sea, 78 nautical miles (144 km; 90 mi) northeast of Bergen, Norway, on 26 June 1978. The aircraft was en route from Bergen Airport, Flesland to Statfjord A, an offshore oil platform. The accident was caused by a fatigue crack in a knuckle joint, causing one of the rotor blades to loosen. All eighteen people on board were killed in the crash.[1]

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