Delta Air Lines Flight 1141

Delta Air Lines Flight 1141
Delta Air Lines Flight 1141
Accident summary
Date August 31, 1988
Type Pilot error (failure to set flaps and slats correctly) and takeoff warning horn failure
Site Dallas-Fort Worth Int'l Airport
Euless, Tarrant County, Texas
Passengers 101
Crew 7
Injuries 76 (26 serious)[1]
Fatalities 14
Survivors 94
Aircraft type Boeing 727
Operator Delta Air Lines
Tail number N473DA
Flight origin Dallas-Fort Worth Int'l Airport
Destination Salt Lake City Int'l Airport

Delta Air Lines Flight 1141 was a routine domestic passenger flight between Dallas-Fort Worth International Airport and Salt Lake City International Airport, Salt Lake City, Utah. On August 31, 1988, the flight, operated by a Boeing 727, crashed upon takeoff from Dallas-Fort Worth, killing 14 of the 108 passengers and crew on board, and injuring 76 others.

Two cabin crew members of four and twelve of the 101 passengers on board lost their lives. One passenger, who sat in 29C and had exited the aircraft through the aft break in the left side of the fuselage,[1]:37 attempted to re-enter the aircraft, received burn wounds, and died 11 days later.[1]:11

Two flight crew members, two cabin crew members, and 22 passengers were seriously injured. One flight crew member and 49 passengers received minor injuries. 18 passengers received no injuries.[1]

The flight crew consisted of Captain Larry Davis, 48; First Officer Gary Kirkland, 37; and Flight Engineer Steven Judd, 31.

The cabin crew consisted of four flight attendants: Dixie Dunn, 56, Diana George, 40, Rosilyn Marr, 43, and Mary O'Neill, 57.

Flight Attendants Dixie Dunn and Rosilyn Marr and passengers Millar Browne, 55; Glen Campbell, 54; Jennifer Campbell, 44; Marian Fadal, 65; Barbara Morgan, 29; Patrick Morgan, 28; Tiffany Morgan, 14 months; Jerry Owens, 29; Robert Speer, 25; Philip Vogel, 69; and Thelma Morgan, 67, died in the crash.

The aircraft was a Boeing 727 Advanced, registration number N473DA. It was delivered in 1973, the 992nd Boeing 727 to be delivered.


Seating chart for Flight 1141 including occupant survival and, if known, egress route. Click to enlarge and see legend.


Two causes were primarily blamed for the accident: The crew had not ensured that the wing's flaps and slats were properly positioned for take-off, and the plane's takeoff warning horn, designed to alert the crew if the engines are throttled to take-off power without the flaps and slats being correctly set, was not operating correctly. The airplane did not gain sufficient speed to climb in a flaps-and-slats-retracted condition, causing a loss of lift. The continued high angle of attack combined with a lack of lift resulted in a configuration where disturbed air flowing over the wings disrupted the air flow into the engines causing compressor stall. Subsequent collision with equipment pertaining to the ILS (instrument landing system) at the departure end of the runway lead to the breakup of the aircraft.

FAA regulations require a sterile cockpit before takeoff, which means there is to be no conversation unrelated to the aircraft and pending flight. The cockpit voice recorder (CVR) tapes recorded extensive talk about the CVR itself and how on Continental Airlines Flight 1713 crew discussions were recorded about the dating habits of the flight attendants. Media broadcast of the CVR tapes, which demonstrated why the crew mistakenly mispositioned the flaps, provoked such an outcry by pilots that subsequent releases of CVR data have been restricted by law and carefully vetted by the NTSB. [2]

See also

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Portal icon Aviation portal

Similar accidents (crash shortly after takeoff due to misconfiguration of flaps/slats, failure of the improper takeoff configuration warning horn):

References

External links

Coordinates: 32°52′13″N 97°03′04″W / 32.87028°N 97.05111°W / 32.87028; -97.05111

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