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Accident/Incident Investigation, Helicopter Safety, News

Broken Bolts

Investigators found no certain clues as to why 12 T-bolts in an S-92’s engine fractured during a North Sea flight.

by Linda Werfelman | February 24, 2026

A Bristow Norway Sikorsky S-92A had climbed to between 3,000 and 4,000 ft after departure from a North Sea drilling platform when occupants heard a loud bang and instruments indicated that the left engine had stopped.

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