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NTSB Report
February 11, 2012 · Learjet 31A · N382AL
Wheatland, WY
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
February 11, 2012
Injury Outcomes
No injuries (4 uninjured)
Location
Wheatland, WY
Aircraft
Learjet 31A
Tail Number
N382AL
Operator
International Jet Services
Injuries
None
Aircraft Damage
Substantial
NTSB Number
WPR12CA101
The operator reported that, as the airplane neared the destination airport, the flight crew prepared for landing. The runway appeared to have been plowed earlier in the day and was wet with a few patches of snow and ice. After a normal touchdown, the flight crew deployed the thrust reversers and applied brakes in an effort to gradually decelerate. The airplane began to veer to the right side of the runway and would not respond to the pilots' control inputs. The airplane continued off the runway surface traveling about 70 knots. The main landing gear collapsed and punctured the wings. The airplane incurred substantial damage to the right wing. The operator reported that there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation.
NTSB Probable Cause
The flight crew’s loss of directional control during landing on an ice- and water-contaminated runway, which resulted in a runway excursion.
Full Narrative
The operator reported that as the airplane entered the vicinity of the destination airport, the pilots prepared for landing. The runway appeared to have been plowed earlier in the day and was wet with a few patches of snow and ice. After a normal touchdown, the pilots deployed the thrust reversers and applied brakes in an effort to gradually decelerate. The airplane began to veer to the right side of the runway and would not respond to the pilots' control inputs. The airplane continued off the runway surface traveling about 70 knots. The main landing gear collapsed and punctured the wings. The airplane incurred major damage to the right wing. The operator reported there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation.
Flight
Event TypeAccident
Event Time12:00 MST
Nearest AirportPhifer Airfield (0nm)
Runway08
Runway Length5900 ft
Runway Width75 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft
AircraftLearjet 31A
Tail NumberN382AL
Aircraft CategoryAir
DamageSubstantial
OperatorInternational Jet Services
Operating RulePart 135
Engines2
Engine TypeTurbofan
Engine DetailsGarrett · TFE731-2-3B · Turbofan · 3500 | Turbofan
Seats10
People & Injuries
Injury SummaryNo injuries (4 uninjured)
Fatal0
Serious0
Minor0
Uninjured4
Total4
Crew 1Age 65 · First Class · None
Crew 2Age 45 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind110° @ 11 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point12 C / 9 C
Altimeter30.55 inHg
Weather SourcePILO