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Aviation safety reports, made easier to study

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NTSB Report

January 19, 2010 · Cessna 172M · N20109

Bethel, AK

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
January 19, 2010
Injury Outcomes
No injuries (3 uninjured)
Location
Bethel, AK
Aircraft
Cessna 172M
Tail Number
N20109
Operator
Yute Air Taxi
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC10LA013

The commercial pilot was taking off on a passenger flight when the accident occurred. The pilot reported that he lost directional control of the airplane during the takeoff roll, and that the airplane went off the left side of the runway and collided with a snowbank. The airplane sustained structural damage to the fuselage aft of the nosewheel. The pilot reported that after exiting the airplane he discovered that the left main landing gear wheel was locked up and that he was unable to rotate the wheel. The director of operations reported that the left main landing gear wheel and assembly was examined by their mechanics and that no mechanical malfunctions were discovered.

NTSB Probable Cause

Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-Not attained/maintained - C

Full Narrative

On January 19, 2010, about 0930 Alaska standard time, a Cessna 172M airplane, N20109, sustained substantial damage when it collided with a snowbank following a loss of control during takeoff at the Bethel Airport, Bethel, Alaska. The airplane was being operated by Yute Air Taxi Inc., Bethel, as Flight 570, a visual flight rules (VFR) passenger flight under Title 14, CFR Part 135, when the accident occurred. The commercial pilot and the two passengers were not injured. Visual meteorological conditions prevailed, and company flight following procedures were in effect. The airplane was bound for Napakiak, Alaska. During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge (IIC) on January 19, The Director of Operations for the operator said the pilot told him he lost directional control of the airplane during the takeoff roll, and that the airplane went off the left side of the runway, and collided with a snowbank. The director said the airplane sustained structural damage to the fuselage aft of the nose wheel. He said there were no known mechanical problems with the airplane prior to the accident. In a written statement to the NTSB dated January 20, 2010, the pilot reported that after exiting the airplane he discovered that the left main landing gear wheel was locked up, and he was unable to rotate the wheel. In an email to the NTSB dated February 19, 2010, the director of operations reported that the left main landing gear wheel and assembly had been examined by their mechanics, and no mechanical malfunctions were discovered.

Flight

Event TypeAccident
Event Time04:30 AKST
Nearest AirportBETHEL (0nm)
Runway01
Runway Length6400 ft
Runway Width150 ft
Flight Plan FiledCvfr
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftCessna 172M
Tail NumberN20109
Aircraft CategoryAir
DamageSubstantial
OperatorYute Air Taxi
Operating RulePart 135
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320 SERIES · Reciprocating · 180
Seats4

People & Injuries

Injury SummaryNo injuries (3 uninjured)
Fatal0
Serious0
Minor0
Uninjured3
Total3
Crew 1Age 25 · First Class · None

Conditions

ConditionsVMC
LightDaylight
Wind10° @ 15 kt
Visibility4 sm
CeilingOvercast 4100 ft
Temperature / Dew Point0 C / -8 C
Altimeter29.19 inHg
Observation Time13:30
Weather SourceWFAC

Appendix: Source Data