ANC95LA047

NTSB accident investigation · Piper PA-12 · Soldotna, AK · April 7, 1995

Accident · No injuriesLimited investigationFinal report
Date
April 6, 1995, 16:00 local (Apr 7, 1995, 00:00 UTC)
Place
Soldotna, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N3680MPiper PA-12
Weather
Visual (VMC) · Day
Status
Completed · report September 24, 1995
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19950406009399A
Case key
2643

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 flight instructor's inadequate remedial action. Factors include the dual student's failure to maintain directional control, and the rear pilot's station not having brakes installed.

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
Directional control - not maintainedDual studentFactor
Remedial action - inadequatePilot in command(cfi)Cause
Landing gear,normal brake system - not installedFactor

Analysis

The private pilot, who was receiving dual instruction for the purpose of tail wheel familiarization, lost directional control of the airplane while doing a touch-and-go landing. The flight instructor was not able to regain directional control, and the airplane's left wing impacted the runway during the flight instructor's remedial action. The flight instructor stated that the airplane was not equipped with brakes in the aft seat, and he believed he was not able to maintain directional control because he was unable to apply differential braking.

Factual narrative

On April 6, 1995, about 1600 Alaska daylight time, a wheel equipped Piper PA-12 airplane, N3680M, sustained substantial damage while landing at the Soldotna Airport, Soldotna, Alaska. The certificated flight instructor and private pilot aboard were not injured. The 14 CFR Part 91 instructional flight operated in visual meteorological conditions without a flight plan.

The flight instructor reported he was giving instruction to the private pilot in tail wheel familiarization. During the first of a planned series of touch-and-go landings on runway 07 at the Soldotna Airport, the airplane bounced, and then veered to the left after touching down again. The flight instructor said right rudder was applied to correct the condition, and the airplane then headed off the left side of the runway toward a 6-8 foot high snow bank. The instructor stated that power was applied to get the airplane to turn right. The airplane turned right, tipping up on the left wheel and wing tip. Power was reduced to idle and the airplane stopped in the middle of the runway. During the hard right turn, the left main wheel hub failed. The airplane was equipped with 29" racing slick "Tundra Tires." The flight instructor noted that the airplane was not equipped with brakes where he was seated (rear tandem seat), and that he felt he was unable to maintain directional control of the airplane because he was unable to apply differential braking.

Aircraft

Registration
N3680M
Reported as
Piper PA-12
Category
Airplane
Serial number
12-2631
Engine
Lycoming O-320, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Alaska Flying Network
Registered owner
Charles P. Essex
Airworthiness certificate
Standard, Normal
Departed
ENA · Kenai, AK
Destination
SXQ
Airport
SXQ · Soldotna, runway 7, 4,973 × 130 ft, asphalt

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
46
Certificates
Commercial, Flight instructor
Airplane ratings
Single-engine sea, Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Rear
Flight hours
3,180 total · 200 in this make and model · 3,125 as pilot in command · 126 in the last 90 days · 53 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
20 statute miles
Lowest ceiling
None
Temperature
46 °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 N3680M · 1

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