CHI91LA213

NTSB accident investigation · Piper PA-12 · Stockton, IA · July 7, 1991

Accident · No injuriesLimited investigationFinal report
Date
July 7, 1991, 13:45 local (18:45 UTC)
Place
Stockton, IA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N7847HPiper PA-12
Weather
Visual (VMC) · Day
Status
Completed · report December 4, 1992
Report
Approved by Office Director
FAA report
19910707026399A
Case key
15116

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

Compensation for wind conditions not performed, wrong runway selected and aircraft control not maintained by the pilot. Factors related to the accident were a tailwind/crosswind component and a rough runway.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - on ground/waterLanding - roll
Weather condition - tailwindFactor
Weather condition - crosswindFactor
Compensation for wind conditions - not performedPilot in commandCause
Wrong runway - selectedPilot in commandCause
Aircraft control - not maintainedPilot in commandCause
Terrain condition - rough/unevenFactor
Nose overLanding - roll

Analysis

The pilot said that during a glider tow operation he had returned for landing and failed to notice a wind shift. The landing was made with a quartering tailwind. The pilot stated the airplane contacted a rough spot in the runway during the landing roll and the airplane nosed over.

Aircraft

Registration
N7847H
Reported as
Piper PA-12
Category
Airplane
Serial number
12-747
Airframe hours
3,085
Engine
Lycoming O-320-B3B, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Blackhawk Soaring Club
Airworthiness certificate
Standard, Normal
Last inspection
Unknown · May 15, 1991
Airport
UNK · Stockton, runway 18, 2,300 × 80 ft, grass/turf

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
61
Certificate
Private
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
767 total · 5 in this make and model · 496 as pilot in command · 8 in the last 90 days · 6 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
300° at 15 knots, gusting 20
Visibility
10 statute miles
Lowest ceiling
None
Temperature
84 °F

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 N7847H · 1

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