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Aviation safety reports, made easier to study

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December 24, 2004 · Cessna U206G · N9909Z

Illiamna, AK

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
December 24, 2004
Injury Outcomes
No injuries (1 uninjured)
Location
Illiamna, AK
Aircraft
Cessna U206G
Tail Number
N9909Z
Operator
David Wilder
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC05CA019

The solo commercial pilot was taxiing for takeoff in gusty wind conditions. He said as he turned the airplane abeam the wind, a strong gust lifted the left wing, and rolled the airplane upside down.

NTSB Probable Cause

The pilot's inadequate compensation for the gusty wind conditions, which resulted in a loss of control, and the airplane nosing over. A factor contributing to the accident was the gusty wind condition.

Full Narrative

On December 24, 2004, about 1140 Alaska standard time, a wheel-equipped Cessna U206G airplane, N9909Z, sustained substantial damage when it nosed over on the taxiway while taxing for takeoff, at the Illiamna Airport, Illiamna, Alaska. The airplane was being operated by Lake Peninsula Air, of Port Alsworth, Alaska, as a visual flight rules (VFR) positioning flight under Title 14, CFR Part 91, when the accident occurred. The solo commercial pilot was not injured. Visual meteorological conditions prevailed, and company VFR flight following procedures were in effect. During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge (IIC) on December 24, the owner of the airplane said the pilot told him he had dropped off a passenger, and was taxing for takeoff when a gust of wind from behind lifted the left wing and rolled the airplane over. During a telephone conversation with the IIC on December 24, an FAA flight service station specialist said that at the time of the accident, wind velocity instruments at the Illiamna Airport recorded a peak wind gust of 33 knots.

Flight

Event TypeAccident
Event Time06:40 AKST
Nearest AirportILLIAMNA (0nm)
Runway35
Flight Plan FiledCvfr
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftCessna U206G
Tail NumberN9909Z
Aircraft CategoryAir
DamageSubstantial
OperatorDavid Wilder
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · IO-520 · Reciprocating

People & Injuries

Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 26 · Second Class · None

Conditions

ConditionsVMC
LightDaylight
Wind310° @ 21 kt, gusting 32 kt
CeilingNone
Temperature / Dew Point0 C / 0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data