Скачать или смотреть Trans World Airlines (TWA) Flight 529 News Report | 1 September 1961 Chicago, Illinois

Accident Description:
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Photos Archive:
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𝗧𝗪𝗔 𝗙𝗹𝗶𝗴𝗵𝘁 𝟱𝟮𝟵 was a scheduled domestic passenger flight from Boston to San Francisco with intermediate stops in New York, Pittsburgh, Chicago, Las Vegas and Los Angeles. The flight was being operated by a Lockheed L-049 Constellation (Reg. N86511) on 𝗦𝗲𝗽𝘁𝗲𝗺𝗯𝗲𝗿 𝟭, 𝟭𝟵𝟲𝟭.

The plane departed on runway 22L at 02:00, making a right turn out of traffic. Radar contact was established with the flight 1 minute and 34 seconds after the flight acknowledged takeoff clearance, and as the plane proceeded outbound in a right turn. At 02:04, Flight 529 was observed on radar by the departure controller to be 5 miles west of Midway Airport proceeding on course. During the climbout, a bolt worked its way clear in the elevator boost system. This was followed immediately by full pressure to the up-elevator side of the actuator piston. The plane pitched up violently and it entered an accelerated stall.

The pilot's immediate response to apply high forward pressure on the control column prevented successful shift of the elevator boost system to the manual position. The pilot lost control of the plane. Oscillatory loads then caused the separation of a of the horizontal stabilizer to which the right vertical fin is attached. The plane crashed in an open field near Hinsdale. The plane struck the ground in a slightly left-wing-low and nosedown attitude on a heading of approximately true North. The plane disintegrated, leaving debris over an area 200 feet wide and 1,100 feet long.

𝗣𝗿𝗼𝗯𝗮𝗯𝗹𝗲 𝗖𝗮𝘂𝘀𝗲:
"The Board determines that the probable cause of this accident was the loss of an AN-175-21 nickel steel bolt from the parallelogiam linkage of the elevator boost system, resulting in loss of control of the aircraft."