ASN Aircraft accident Canadair CL-600-2B19 Regional Jet CRJ-100ER N431CA Lexington-Blue Grass Airport, KY (LEX)
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Status:Accident investigation report completed and information captured
Date:Sunday 27 August 2006
Time:06:07
Type:Silhouette image of generic CRJ1 model; specific model in this crash may look slightly different
Canadair CL-600-2B19 Regional Jet CRJ-100ER
Operator:Comair/Delta Connection
Registration: N431CA
MSN: 7472
First flight: 2001
Total airframe hrs:12048
Cycles:14536
Engines: 2 General Electric CF34-3A1
Crew:Fatalities: 2 / Occupants: 3
Passengers:Fatalities: 47 / Occupants: 47
Total:Fatalities: 49 / Occupants: 50
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:Lexington-Blue Grass Airport, KY (LEX) (   United States of America)
Crash site elevation: 298 m (978 feet) amsl
Phase: Takeoff (TOF)
Nature:Domestic Scheduled Passenger
Departure airport:Lexington-Blue Grass Airport, KY (LEX/KLEX), United States of America
Destination airport:Atlanta Hartsfield-Jackson International Airport, GA (ATL/KATL), United States of America
Flightnumber:5191
Narrative:
Weather at Lexington-Blue Grass Airport (LEX) was fine on the morning of August 27 with a small shower approaching from the West.
It was still dark just after 06:00 as Comair flight 5191 taxied out for takeoff. The flight was cleared for a runway 22 departure, which is Lexington's main runway. Because the runway was repaved just recently with an added safety area at the approach end of runway 22, one taxiway was no longer in use. Since August 20 the taxi route to runway 22 was changed. The crew inadvertently lined up on the shorter (3500 x 75 feet) and unlit runway 26. The first officer commenced the takeoff roll. One of the pilots made a remark about the lack of runway light illumination, but the takeoff was continued. The fully laden CRJ was not able to rotate within the 3500 feet runway distance and continued past the runway end. It knocked down a metal fence and continued onto a field. The airplane struck several trees and burst into flames on a working farm.

NASA ASRS records show a possible similar scenario when some 13 years earlier a twin engine passenger jet inadvertently taxied into position on runway 26 at LEX while being cleared for an immediate runway 22 takeoff. The tower controller noticed this and cancelled the takeoff clearance. According to the report "Possible contributing factors were poor visibility and wx (rain), confusing rwy intxn and twr's request for an immediate tkof."
In the meantime work had been performed on the runways at LEX. Since October 2003 for instance a runway resurfacing project was started. The project also added 600 feet of safety area at each runway end.

Probable Cause:

PROBABLE CAUSE: "The flight crew's failure to use available cues and aids to identify the airplane's location on the airport surface during taxi and their failure to cross check and verify that the airplane was on the correct runway before takeoff. Contributing to this accident were the flight crew's nonpertinent conversation during taxi, which resulted in loss of positional awareness and the Federal Aviation Administration's failure to require that all runway crossings be authorized only by specific air traffic control clearances."

Accident investigation:

cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 10 months
Accident number: NTSB AAR-07-05
Download report: Final report

Classification:
Landing or takeoff on wrong runway
Runway excursion

Sources:
» NTSB

METAR Weather report:
09:54 UTC / 05:54 local time:
KLEX 270954Z 20007KT 8SM FEW090 SCT120 24/19 A3000


Follow-up / safety actions

NTSB issued 13 Safety Recommendations

Show all...

Photos

photo of Canadair-CRJ-100ER-N431CA
accident date: 27-08-2006
type: Canadair CRJ-100ER
registration: N431CA
photo of Canadair-CRJ-100ER-N431CA
accident date: 27-08-2006
type: Canadair CRJ-100ER
registration: N431CA
photo of Canadair-CRJ-100ER-N431CA
accident date: 27-08-2006
type: Canadair CRJ-100ER
registration: N431CA
photo of Canadair-CRJ-100ER-N431CA
accident date: 27-08-2006
type: Canadair CRJ-100ER
registration: N431CA
photo of Canadair-CRJ-100ER-N431CA
accident date: 27-08-2006
type: Canadair CRJ-100ER
registration: N431CA
photo of Canadair-CRJ-100ER-N431CA
accident date: 27-08-2006
type: Canadair CRJ-100ER
registration: N431CA
photo of Canadair-CRJ-100ER-N431CA
LEX airport overview
photo of Canadair-CRJ-100ER-N431CA
Taxiways leading to runways 22 and 26
photo of Canadair-CRJ-100ER-N431CA
Groundpath as Flight 5191 aligned with runway 26
photo of Canadair-CRJ-100ER-N431CA
Seat map Canadair CRJ-100ER N431CA
photo of Canadair-CRJ-100ER-N431CA
accident date: 27-08-2006
type: Canadair CRJ-100ER
registration: N431CA
 

Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Lexington-Blue Grass Airport, KY to Atlanta Hartsfield-Jackson International Airport, GA as the crow flies is 486 km (304 miles).
Accident location: Exact; deduced from official accident report.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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CRJ100

  • 1054+ built
  • 6th loss
  • 5th fatal accident
  • 2nd worst accident
» safety profile

 United States of America
  • 61st worst accident (at the time)
  • 62nd worst accident (currently)
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