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NTSB Report
January 11, 2018 · Swearingen SA227 AT · N561UP
Rock Springs, WY
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
January 11, 2018
Injury Outcomes
No injuries (1 uninjured)
Location
Rock Springs, WY
Aircraft
Swearingen SA227 AT (1983)
Tail Number
N561UP
Operator
Ameriflight
Injuries
None
Aircraft Damage
Substantial
NTSB Number
GAA18CA098
The pilot reported that, while taxiing with a tailwind, he realized that the airplane was moving too fast and that he then applied brakes and reverse engine thrust. He added that he attempted to turn the airplane but was unable to do so and that a strong crosswind "forced" the airplane to the left and off the airport parking ramp. Subsequently, the airplane struck a lamp post and came to rest. The airplane sustained substantial damage to the left wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The automated weather observation system located at the airport reported that, about the time of the accident, the wind was from 280° at 21 knots, gusting to 27 knots.
NTSB Probable Cause
Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-Not attained/maintained - C
Full Narrative
The pilot reported that, while taxing with a tailwind, he realized the airplane was moving too fast and applied brakes and reverse thrust of the engines. He added that he attempted to turn but was unable, and a strong crosswind "forced" the airplane to the left and off of the airport parking ramp. Subsequently, the airplane struck a lamp post and came to rest. The airplane sustained substantial damage to the left wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The automated weather observation system located at the accident airport reported, that about the time of the accident, the wind was from 280° at 21 knots, gusting to 27 knots.
Flight
Event TypeAccident
Event Time18:45 MST
Nearest AirportRock Springs-Sweetwater County (0nm NNE)
Flight Plan FiledIFR
Flight Plan ActivatedYes
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftSwearingen SA227 AT
Tail NumberN561UP
Aircraft CategoryAir
DamageSubstantial
OperatorAmeriflight
Operating RulePart 135
Engines2
Engine TypeTurboprop
Engine DetailsAiresearch · TPE331 SERIES · Turboprop | Airesearch · TPE331 SERIES · Turboprop
Seats2
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 63 · Second Class · None
Conditions
ConditionsVMC
LightNight
Wind280° @ 21 kt, gusting 27 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point27 C / 12 C
Altimeter29.82 inHg
Observation Time01:54
Weather SourceWFAC