Two catastrophic helicopter accidents over the North Sea and the Norwegian coast were eventually traced to a hidden flaw deep inside the aircraft’s main gearbox. Investigators discovered fatigue ...

American helicopter maker Sikorsky announced it's ready to start making the newest variant of the heavy lifter, the S-92A+.

PARIS/OSLO (Reuters) - Airbus Helicopters has acted to allay concerns over the safety of its Super Puma aircraft after Norwegian investigators declined to rule out a repetition of past gearbox ...

The S-92 Phase 4 Main Gearbox displayed in a test stand at Sikorsky’s facility in Stratford, Connecticut. Credit: Sikorsky STRATFORD, Connecticut–Lockheed Martin company Sikorsky has unveiled the ...

The FAA has certified a one-time life extension for main gearbox housings for the Sikorsky S-92 twin-engine heavy helicopter. Lockheed Martin-owned Sikorsky used health and usage monitoring system ...