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  2. HM-15 - Wikipedia

    en.wikipedia.org/wiki/HM-15

    HM-15 delivers aid to Sabang on the island of Sumatra following the 2004 Indian Ocean earthquake / Tsunami. HM-15 aircraft ferry water from the offshore flotilla, 15 January in support of relief operation after the 2010 Haiti earthquake. HM-15 is the first U.S. Navy squadron to combine and consolidate training requirements between the USN and ...

  3. List of accidents and incidents involving military aircraft ...

    en.wikipedia.org/wiki/List_of_accidents_and...

    The first crash involving a Bell-Boeing Osprey occurs when the fifth MV-22, BuNo 163915, three minutes into its maiden flight at a Boeing flight test facility at Wilmington, Delaware, suffers problems with the gyros due to incorrect wiring in the flight-control system [55] and crashes into the ground from a 15-foot (4.6 metre) hover during an ...

  4. Bell XV-15 - Wikipedia

    en.wikipedia.org/wiki/Bell_XV-15

    The first XV-15 prototype aircraft, N702NA, was transferred back to Bell for company development and demonstration use. On 20 August 1992, the aircraft crashed while being flown by a guest test pilot. He was lifting off for a final hover when a bolt slipped out of the collective control system on one pylon, causing that rotor to go to full pitch.

  5. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Sound barrier - Wikipedia

    en.wikipedia.org/wiki/Sound_barrier

    The sound barrier or sonic barrier is the large increase in aerodynamic drag and other undesirable effects experienced by an aircraft or other object when it approaches the speed of sound. When aircraft first approached the speed of sound, these effects were seen as constituting a barrier, making faster speeds very difficult or impossible.

  7. Crash test - Wikipedia

    en.wikipedia.org/wiki/Crash_test

    A crash test of the Honda Ridgeline by the NHTSA Frontal small-overlap crash test of a 2012 Honda Odyssey 2018 Dodge Grand Caravan being struck by a mobile deformable barrier at 62 km/h 2016 Honda Fit striking a wall head-on at 56 km/h Driver-side oblique crash test of a 2017 Honda Ridgeline Jeep Liberty undergoing routine impact testing at Chrysler's Proving Grounds NHTSA research crash test ...

  8. Head injury criterion - Wikipedia

    en.wikipedia.org/wiki/Head_injury_criterion

    A HIC-15 (meaning a measure of impact over 15 milliseconds) of 700 is estimated to represent a 5 percent risk of a severe injury (Mertz et al., 1997). A "severe" injury is one with a score of 4+ on the Abbreviated Injury Scale (AIS) [6] Data for specific vehicles can be found on various automotive review websites.

  9. Samuel W. Alderson - Wikipedia

    en.wikipedia.org/wiki/Samuel_W._Alderson

    Samuel W. Alderson (October 21, 1914 – February 11, 2005) was an American inventor best known for his development of the crash test dummy, a device that, during the last half of the twentieth century, was widely used by automobile manufacturers to test the reliability of automobile seat belts and other safety protocols.