ANC11CA113

NTSB accident investigation · Piper PA-12 · Talkeetna, AK · September 26, 2011

Accident · No injuriesData collectionFinal report
Date
September 25, 2011, 18:00 local (Sep 26, 2011, 02:00 UTC)
Place
Talkeetna, AK
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N2945MPiper PA-12
Defining event
Takeoff-rejected takeoff: Runway excursion
Weather
Visual (VMC) · Day
Status
Completed · report January 18, 2012
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA Anchorage FSDO
FAA report
20110925023199A
Case key
82031

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 take off from an off-airport site in variable wind.

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.

Wind: sudden wind shiftEnvironmental issues › Conditions/weather/phenomena · Contributed to outcomePiper PA-12: 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 reported that, during the takeoff roll from an off-airport site, the wind shifted to a tailwind. He attempted to abort the takeoff but was unable to before the airplane reached the end of the runway. The airplane contacted the ground and nosed over, resulting in substantial damage to the left wing strut. The pilot noted that there were no preaccident mechanical anomalies with the airplane.

Factual narrative

The pilot reported that, during the takeoff roll from an off-airport site, the wind shifted to a tailwind. He attempted to stop the takeoff but was unable to stop the airplane before reaching the end of the runway. The airplane contacted terrain and nosed over, resulting in substantial damage to the left wing strut. The pilot noted that there were no preaccident mechanical anomalies with the airplane.

Aircraft

Registration
N2945M
Reported as
Piper PA-12
Category
Airplane
Serial number
12-1344
Airframe hours
4,751
Engine
Lycoming O-320 SERIES, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 18, 2011 · 120 hours before
Departed
Talkeetna, AK
Destination
Wasilla, AK

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
32
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Without waivers/limitations
Last flight review
May 5, 2011
Seat
Front
Flight hours
616 total · 616 in this make and model · 606 as pilot in command · 87 in the last 90 days · 47 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
10 statute miles

Docket · 1

The files NTSB released with the investigation on December 1, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.8 MB 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 N2945M · 3

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