ANC87LA131

NTSB accident investigation · Piper PA-12 · Kuskalana Pass, AK · August 31, 1987

Accident · No injuriesLimited investigationFinal report
Date
August 31, 1987, 13:00 local (21:00 UTC)
Place
Kuskalana Pass, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N4302MPiper PA-12
Weather
Visual (VMC) · Day
Status
Completed · report May 2, 1988
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19870831048959A
Case key
4898

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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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
Terrain condition - loose gravel/sandyFactor
Aircraft handling - not maintainedPilot in commandCause
Terrain condition - softFactor
Directional control - not maintainedPilot in commandCause
Brakes(normal) - excessivePilot in commandCause
Nose overLanding - roll

Analysis

The pilot stated that during the landing roll on the tundra he applied wheel brakes too hard causing the aircraft to nose over on its back.

Aircraft

Registration
N4302M
Reported as
Piper PA-12
Category
Airplane
Serial number
123234
Airframe hours
3,187
Engine
Lycoming O-320 SERIES, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Michael L. Hale
Registered owner
Michael L. Hale
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 6, 1987 · 23 hours before
Departed
GKN · Gulkana, 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
36
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
1,500 total · 155 in this make and model · 1,250 as pilot in command · 379 in the last 90 days · 100 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
50 statute miles
Lowest ceiling
None
Temperature
61 °F, dew point 39 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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