A USAir Boeing 737-300, similar to the one involved.
Accident
Date
September 8, 1994 (1994-09-08)
Summary
Loss of control due to rudder hardover[1]
Site
Hopewell Township, Beaver County, Pennsylvania, United States 40°36′14″N80°18′37″W / 40.60393°N 80.31026°W / 40.60393; -80.31026
Aircraft
Aircraft type
Boeing 737-3B7
Operator
USAir
IATA flight No.
US427
ICAO flight No.
USA427
Call sign
USAIR 427
Registration
N513AU[2]
Flight origin
O'Hare International Airport
Stopover
Pittsburgh International Airport
Destination
Palm Beach International Airport
Occupants
132
Passengers
127
Crew
5
Fatalities
132
Survivors
0
USAir Flight 427 was a scheduled flight from Chicago's O'Hare International Airport to Palm Beach International Airport, Florida, with a stopover at Pittsburgh International Airport. On Thursday, September 8, 1994, the Boeing 737 flying this route crashed in Hopewell Township, Pennsylvania while approaching Runway 28R at Pittsburgh, which was USAir's largest hub at the time.
After the longest investigation in the history of the National Transportation Safety Board (NTSB), it was determined that the probable cause was that the aircraft's rudder malfunctioned and went hard over in a direction opposite to that commanded by the pilots, causing the plane to enter an aerodynamic stall from which the pilots were unable to recover. All 132 people on board were killed, making the crash the deadliest air disaster in Pennsylvania's history.
^Cite error: The named reference NTSB AAR-99-01 was invoked but never defined (see the help page).
^"FAA Registry (N513AU)". Federal Aviation Administration.
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