About 1751 P.d.t., May 22, 1968, Los Angeles Airways Flight 841, a Sikorsky S-61L, N303Y, crashed and burned at Paramount, California. The flight was en route from the Anaheim, California, Heliport, which serves Disneyland, to the Los Angeles International Airport. All 23 persons aboard the aircraft were fatally injured and the aircraft was destroyed by impact and fire after impact. The Safety Board determines that the probable cause of this accident was the loss of main rotor blade damper integrity due to either a failure of the black blade damper or a loss of effective damping action by the white blade damper. This resulted in uncontrolled excursions of the main rotor blades in their lead/lag axis, an overload detachment of the yellow main rotor blade pitch change control rod and destruction of the structural integrity of the aircraft by blade strikes. The precise reason for either of the possibilities for the loss of damper integrity is undetermined. (Author)


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    Title :

    Aircraft Accident Report: Los Angeles Airways, Inc. Sikorsky S-61L, N303Y, Paramount, California, May 22, 1968


    Publication date :

    1969


    Size :

    37 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English