ANC11CA102

NTSB accident investigation · Cessna 180 · Ambler, AK · September 13, 2011

Accident · No injuriesData collectionFinal report
Date
September 13, 2011, 10:45 local (18:45 UTC)
Place
Ambler, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N9019CCessna 180
Defining event
Takeoff: Runway excursion
Weather
Visual (VMC) · Day
Status
Completed · report February 6, 2012
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA FSDO-01
FAA report
20110913026939A
Case key
81799

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

On this page

Probable cause

The pilot's decision to takeoff with a tailwind, which resulted in a runway excursion.

Findings · 3

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.

Aircraft capability: takeoff distanceAircraft › Aircraft oper/perf/capability · Capability exceededCessna 180: 1 caseAll aircraft: 67 cases
Wind: sudden wind shiftEnvironmental issues › Conditions/weather/phenomena · Contributed to outcomeCessna 180: 5 casesAll aircraft: 114 cases

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 elected to take off from an off-airport site in variable wind conditions. During the takeoff roll, the airplane encountered a tailwind, resulting in an extended takeoff roll. The airplane encountered a creek and nosed over, sustaining substantial damage to the fuselage and vertical stabilizer.

Factual narrative

The pilot elected to takeoff from an off airport site in variable wind conditions. During the takeoff roll the airplane encountered a tailwind, resulting in an extended takeoff roll, and inability to out climb the terrain. The airplane encountered a creek and nosed over, sustaining substantial damage to the fuselage and vertical stabilizer.

Aircraft

Registration
N9019C
Reported as
Cessna 180
Category
Airplane
Serial number
31067
Airframe hours
4,850
Engine
Cont Motor O-470 SERIES, 230 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Hanks Don N
Registered owner
Hanks Don N
Airworthiness certificate
Standard, Normal
Last inspection
Annual · May 19, 2011
Departed
Ambler, AK
Destination
PABT · Bettles Field, AK
Flight plan
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
41
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 3, Without waivers/limitations
Last flight review
May 9, 2011
Seat
Left
Flight hours
2,650 total · 410 in this make and model · 2,607 as pilot in command · 92 in the last 90 days · 10 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
10 statute miles
Lowest ceiling
None
Temperature
48 °F
Altimeter
29.60 inHg

Docket · 1

The files NTSB released with the investigation on December 16, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 625 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.