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NTSB Report
August 8, 2007 · Cessna 180 · N7741A
Skwentna, AK
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
August 8, 2007
Injury Outcomes
No injuries (2 uninjured)
Location
Skwentna, AK
Aircraft
Cessna 180
Tail Number
N7741A
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC07CA075
The commercial certificated pilot was delivering supplies to his lodge on a private, 1,200 foot long, dirt airstrip under Title 14, CFR Part 91, when the accident occurred. He said when he landed the left brake failed, and as he approached the end of the airstrip, he attempted a 180-degree turn, but the airplane ground-looped, and struck the right wing on the ground. The pilot said that on previous flights he had to pump-up the left brake due to a leaking master cylinder. The airplane sustained structural damage to the right wing during the accident.
NTSB Probable Cause
The failure of the left brake, and the pilot's continued operation with a known defect (the left brake), which resulted in a loss of control during the landing roll, and an on ground encounter with terrain. A contributing factor to the accident was the pilot's inadvertent ground loop.
Full Narrative
The commercial certificated pilot was delivering supplies to his lodge on a private, 1,200 foot long, dirt airstrip under Title 14, CFR Part 91, when the accident occurred. He said when he landed the left brake failed, and as he approached the end of the airstrip, he attempted a 180-degree turn, but the airplane ground-looped, and struck the right wing on the ground. The pilot said that on previous flights he had to pump-up the left brake due to a leaking master cylinder. The airplane sustained structural damage to the right wing during the accident.
Flight
Event TypeAccident
Event Time17:30 AKDT
Nearest Airport0nm
Runway Length1200 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 180
Tail NumberN7741A
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · O-470 · Reciprocating
Seats4
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 57 · Second Class · None
Conditions
ConditionsVMC
LightDaylight
Wind360° @ 10 kt, gusting 15 kt
Visibility50 sm
CeilingNone
Temperature / Dew Point61 F / 39 C
Altimeter0
Weather SourcePILO