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 ...

LONDON, April 10 (Reuters) - The North Sea helicopter crash that killed 16 people last week was caused by a "catastrophic failure" that led to the aircraft's main rotor breaking away, British air ...

OSLO (Reuters) - The fatal crash of an Airbus helicopter in Norway in April was probably the result of metal fatigue in the aircraft's gearbox, the country's Accident Investigation Board (AIBN) said ...

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 ...