Delta Airlines - Lockeed - L1011 (N-726DA) flight DL191

Delta Airlines – Lockeed – L1011 (N-726DA) flight DL191

Delta Airlines flight DL191 crashed on August 2, 1985, at 1805:52 central daylight time.

Delta Airlines flight DL191, a Lockheed L-1011-385-1, N726DA, crashed while approaching to land on runway 17L at the Dallas/Fort Worth International Airport, Texas.
While passing through the rain shaft beneath a thunderstorm, flight 191 entered a microburst which the pilot was unable to traverse successfully.
The airplane struck the ground about 6,300 feet north of the approach end of runway 17L, hit a car on a highway north of the runway killing the driver, struck two water tanks on the airport, and broke apart.
Except for a section of the airplane containing the aft fuselage and empennage, the remainder of the airplane disintegrated during the impact sequence, and a severe fire erupted during the impact sequence.

Of the 163 persons aboard, 134 passengers and crewmembers were killed; 26 passengers and 3 cabin attendants survived.

The flight crew of Delta Airlines flight DL191 had applied maximum thrust shortly before the airplane departed rapidly from the glideslope, and the captain called for TOGA within 3 seconds of glideslope departure

The National Transportation Safety Board determines that the probable causes of the accident were

  • the flightcrew’s decision to initiate and continue the approach into a cumulonimbus cloud which they observed to contain visible lightning
  • the lack of specific guidelines, procedures, and training for avoiding and escaping from low-altitude windshear; and
  • the lack of definitive, real-time windshear hazard information.

This resulted in the aircraft’s encounter at low altitude with a microburst-induced, severe windshear from a rapidly developing thunderstorm located on the final approach course.


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accident date: 02/08/1985
operator: DELTA Airlines
model: L1011
registration: N-726DA
msn: 1163
location: Dallas TX, USA
flight number: DL191

Category: Aviation Accident


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