Dutch roll
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Dutch roll is an aircraft motion consisting of an out-of-phase combination of "tail-wagging" and rocking from side to side. This yaw-roll coupling is one of the basic flight dynamic modes. This mode r
Dutch roll damping technique, scanned from U.S. Air Force flight manual
Japan Air Lines Flight 123
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Japan Air Lines Flight 123 was a scheduled domestic passenger flight from Tokyo to Osaka, Japan. On the evening of Monday, August 12, 1985, the Boeing 747 flying the route suffered a severe structural
Dutch roll
…destined for Braniff, crash-landed on a river bed north of Seattle at Arlington, Washington, killing four of the eight occupants. On August 12, 1985, Japan Air Lines Flight 123, a Boeing 747SR, exhibited a Dutch roll in combination with phugoid cycles after losing all hydraulics following the loss of its vertical stabiliser…
JA8119, the aircraft involved in the accident, pictured in March 1985
Wreckage at the crash site
Flight 123 accident monument in Fujioka
Cenotaph of Flight 123 at Osutaka Ridge