Gearbox Failure and Crew Decisions Led to Fatal Osprey Crash in Japan

Air Force investigation reveals mechanical failure and delayed landing decisions as key factors in the crash that killed eight airmen.

A pinion gear in the proprotor gearbox failed, causing the aircraft to roll uncontrollably.
The pilot received multiple warnings but chose to continue the mission instead of landing immediately.
This was the fourth fatal Osprey crash in two-and-a-half years, raising questions about the aircraft's safety.
Safety data sharing issues among military branches contributed to the mishap.
New protocols now require immediate landing after initial gearbox warnings.