ANC24LA018

NTSB accident investigation · Cessna 180 · Skwentna, AK · March 10, 2024

Accident · No injuriesClass 4 · LimitedFinal report
Date
March 10, 2024, 09:00 local (17:00 UTC)
Place
Skwentna, AK · lodge
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N7741ACessna 180
Defining event
Takeoff: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Alaska Regional Office
Parties
FAA/FSDO
FAA report
20240310002519A
Case key
193925

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot’s failure to maintain directional control while taxiing, which resulted in a collision with trees.

Findings · 2

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotCessna 180: 65 casesAll aircraft: 9,295 casesProbable cause
Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedCessna 180: 64 casesAll aircraft: 3,958 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot of a ski-equipped airplane reported that while taxiing on a snow-covered airstrip for takeoff, the left ski hit a snow drift which pulled the airplane off the runway and into a tree. The airplane sustained substantial damage to both wings. The pilot reported no pre-impact mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Aircraft

Registration
N7741A
Reported as
Cessna 180
Category
Airplane
Serial number
32638
Built
1956
Engine
Cont Motor O-470 SERIES, 230 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Talaheim Air Service LLC
Airworthiness certificate
Standard, Normal
Airport
1AK8 · Talaheim, runway 18/36, 950 × 35 ft, snow
Equipment
Unknown

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
74
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine sea, Single-engine land
Instrument ratings
Airplane
Medical
Class 3
Last flight review
August 25, 2023
Seat
Left
Flight hours
20,000 total · 7,800 in this make and model · 20 in the last 90 days · 20 in the last 30 days · 0 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
8,000 ft overcast
Temperature
28 °F, dew point 18 °F
Altimeter
29.09 inHg
Observed at
AWS, 53 nm away
METAR
PAWS 101956Z AUTO 00000KT 10SM OVC080 M02/M08 A2909 RMK AO2 SLP856 T10171083 FZRANO

Docket · 2

The files NTSB released with the investigation on December 2, 2024, on NTSB’s docket system: statements, records, photos and specialists’ reports. 955 KB in all.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N7741A · 5

Matched to the same aircraft by N-number and date.