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Airplane Crash Index


Shawn

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A slightly emotional topic for me. My cousin was on this one.

Date: 09/08/1994

Location: Aliquippa, Pennsylvania

Airline: USAir

Aircraft: Boeing 737-300

Registration: N513AU

Fatalities/No. Aboard: 132:132

Details: On a flight from Chicago to Pittsburgh, while on approach, the aircraft went into a sudden nose dive and crashed into a wooded ravine 6 miles northwest of the airport. The accident was caused by a loss of control of the aircraft resulting from the movement of the rudder surface to its blowdown limit or an uncommanded rudder reversal. The rudder surface deflected in a direction opposite to that commanded by the pilots as a result of a jam of the main rudder PCU servo valve secondary slide to the servo valve housing offset from its neutral position and overtravel of the primary slide.

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