ASN Aircraft accident Learjet 35 N58EM Philadelphia International Airport, PA (PHL)
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Status:Accident investigation report completed and information captured
Date:Wednesday 22 March 2006
Type:Silhouette image of generic LJ35 model; specific model in this crash may look slightly different
Learjet 35
Registration: N58EM
MSN: 35-046
First flight: 1976
Total airframe hrs:18040
Engines: 2 Garrett TFE731-2-2B
Crew:Fatalities: 0 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Aircraft fate: Written off (damaged beyond repair)
Location:Philadelphia International Airport, PA (PHL) (   United States of America)
Phase: Takeoff (TOF)
Departure airport:Philadelphia International Airport, PA (PHL/KPHL), United States of America
Destination airport:Charlotte-Douglas Airport, NC (CLT/KCLT), United States of America
Flightnumber: 123
The Learjet's flight crew was departing runway 27L at Philapdelphia (PHL). They initiated a "standing start" takeoff, with the pilot holding the brakes until the engines indicated a power setting of 70% N2. The pilot then released the brakes and increased power to 91.5% N1. At 50 to 60 knots, the copilot called out "speed alive," and the pilot then disengaged the nose gear steering. At 80 knots the copilot called out "cross check," and at approximately 95 knots, the airplane began to turn right. The copilot noticed fluctuations with the engine indications and called for an abort. The pilot reduced the power to "idle," and corrected back to the left using left rudder pedal and "light" braking. The airplane then turned to the right again, and the pilot corrected once again to the left. The airplane continued to turn left and departed the left side of the runway, tail first at a 45-degree angle. The right main landing gear assembly then collapsed, the right tip tank impacted the ground, and the airplane came to rest.

Probable Cause:

PROBABLE CAUSE: "The operator's inadequate maintenance of the fuel computer harness which resulted in engine surging and a subsequent loss of control by the flight crew during the takeoff roll."

Accident investigation:

Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 2 months
Accident number: NYC06LA081
Download report: Summary report

Rejected takeoff
Runway excursion

» NTSB id NYC06LA081


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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 Philadelphia International Airport, PA to Charlotte-Douglas Airport, NC as the crow flies is 717 km (448 miles).

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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