ASN Aircraft accident Learjet 60 N999LJ Columbia Metropolitan Airport, SC (CAE)
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Status:Accident investigation report completed and information captured
Date:Friday 19 September 2008
Type:Silhouette image of generic LJ60 model; specific model in this crash may look slightly different
Learjet 60
Operator:Global Exec Aviation
Registration: N999LJ
MSN: 60-314
First flight: 2006
Engines: 2 Pratt & Whitney Canada PW305A
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 2 / Occupants: 4
Total:Fatalities: 4 / Occupants: 6
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:Columbia Metropolitan Airport, SC (CAE) (   United States of America)
Crash site elevation: 72 m (236 feet) amsl
Phase: Takeoff (TOF)
Departure airport:Columbia Metropolitan Airport, SC (CAE/KCAE), United States of America
Destination airport:Los Angeles-Van Nuys Airport, CA (VNY/KVNY), United States of America
A Learjet 60, N999LJ, operated by Global Exec Aviation, overran runway 11 while departing Columbia Metropolitan Airport, SC (CAE). The pilot, copilot, and two of the four passengers were killed; the two other passengers were seriously injured. The aircraft was destroyed by postcrash fire. Visual meteorological conditions prevailed, and an IFR flight plan was filed for the non-scheduled domestic passenger flight to Los Angeles-Van Nuys Airport, CA (VNY).
The beginning of the takeoff roll appeared normal. However, sparks were observed as the airplane traveled along the runway. The airplane then continued beyond the runway and through the approximately 1,000-foot runway safety area and, beyond that, struck airport lighting, navigation facilities, a perimeter fence, and concrete marker posts. The airplane then crossed a roadway and came to rest when it struck an embankment across the road from the airport.
Postaccident examination of markings and tire debris indicated that the right outboard tire failed first because of underinflation, followed by failures of the other tires. Examination of the engines revealed evidence consistent with high thrust in both engines and indicated that the thrust reversers were stowed when the airplane hit the embankment.

Probable Cause:

The National Transportation Safety Board determines that the probable cause of this accident was the operator’s inadequate maintenance of the airplane’s tires, which resulted in multiple tire failures during takeoff roll due to severe underinflation, and the captain’s execution of a rejected takeoff after V1, which was inconsistent with her training and standard operating procedures.

Contributing to the accident were (1) deficiencies in Learjet’s design of and the Federal Aviation Administration’s (FAA) certification of the Learjet Model 60’s thrust reverser system, which permitted the failure of critical systems in the wheel well area to result in uncommanded forward thrust that increased the severity of the accident; (2) the inadequacy of Learjet’s safety analysis and the FAA’s review of it, which failed to detect and correct the thrust reverser and wheel well design deficiencies after a 2001 uncommanded forward thrust accident; (3) inadequate industry training standards for flight crews in tire failure scenarios; and (4) the flight crew’s poor crew resource management.

Accident investigation:

Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 7 months
Accident number: NTSB/AAR-10-02
Download report: Final report


Engine reverse issue
Tire failure
Runway excursion (overrun)

» SKYbrary 

Follow-up / safety actions

NTSB issued 20 Safety Recommendations

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photo of Learjet-60-N999LJ
accident date: 19-09-2008
type: Learjet 60
registration: N999LJ
photo of Learjet-60-N999LJ
accident date: 19-09-2008
type: Learjet 60
registration: N999LJ
photo of Learjet-60-N999LJ
accident date: 19-09-2008
type: Learjet 60
registration: N999LJ
photo of Learjet-60-N999LJ
accident date: 19-09-2008
type: Learjet 60
registration: N999LJ
photo of Learjet-60-N999LJ
accident date: 19-09-2008
type: Learjet 60
registration: N999LJ

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 Columbia Metropolitan Airport, SC to Los Angeles-Van Nuys Airport, CA as the crow flies is 3400 km (2125 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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