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  2. Why do US Osprey helicopters keep crashing? - AOL

    www.aol.com/why-us-osprey-helicopters-keep...

    A deadly helicopter crash off the coast of Japan has sparked safety concerns surrounding the US military’s V-22 Osprey aircraft.. Multiple people are believed to be dead after an American Osprey ...

  3. Accidents and incidents involving the V-22 Osprey - Wikipedia

    en.wikipedia.org/wiki/Accidents_and_incidents...

    A U.S. Air Force CV-22 Osprey switches between flight modes during a test mission. The Bell Boeing V-22 Osprey is an American military tiltrotor aircraft whose history of accidents have provoked concerns about its safety. The aircraft was developed by Bell Helicopter and Boeing Helicopters, which build and support the aircraft.

  4. 'Catastrophic' gearbox failure cause of Osprey crash and 8 ...

    www.aol.com/news/catastrophic-gearbox-failure...

    The crash of an Air Force Osprey aircraft eight months ago in Japan that killed all eight airmen on board was caused by a “catastrophic failure” of one of the aircraft’s proprotor gearboxes ...

  5. The U.S. military depends on a unique aircraft. Why are so ...

    www.aol.com/news/u-military-depends-unique...

    The U.S. military grounded the entire fleet of about 400 V-22 Ospreys used by the Navy, Marines and Air Force after the crash of an Air Force Special Operations Command Osprey off Japan last ...

  6. Ospreys won't return to full flight status until at least ...

    www.aol.com/news/congress-sought-osprey-crash...

    In use since only 2007, the Osprey can fly like an airplane and land like a helicopter. Critics of the aircraft say its innovative design has systemic flaws that are driving the unexpected ...

  7. The Air Force knows what failed on Osprey in a crash in ... - AOL

    www.aol.com/news/air-force-knows-failed-osprey...

    The Osprey is a tiltrotor aircraft that can fly like both a helicopter and airplane. Late Monday, NBC News reported that the crash was linked to chipping from the Osprey's proprotor gearbox.

  8. Aircraft noise pollution - Wikipedia

    en.wikipedia.org/wiki/Aircraft_noise_pollution

    Jet-powered aircraft create intense noise from aerodynamics. Low-flying, high-speed military aircraft produce especially loud aerodynamic noise. The shape of the nose, windshield or canopy of an aircraft affects the sound produced. Much of the noise of a propeller aircraft is of aerodynamic origin due to the flow of air around the blades.

  9. US military grounds entire fleet of Osprey aircraft following ...

    www.aol.com/news/us-military-grounds-entire...

    The military announced late Wednesday it was grounding all of its Osprey V-22 helicopters, one week after eight Air Force Special Operations Command service members died in a crash off the coast ...