ANC84FA120

NTSB accident investigation · Piper PA-12 · Cantwell, AK · July 17, 1984

Accident · FatalField investigationFinal report
Date
July 17, 1984, 01:00 local (09:00 UTC)
Place
Cantwell, AK
Injuries
1 fatal
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N2537MPiper PA-12
Weather
Instrument (IMC) · Night/dark
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19840717033529A
Case key
4219

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

On this page

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.

In flight encounter with weatherCruise - normal
Weather condition - fogFactor
Weather condition - rainFactor
Weather condition - gustsFactor
Weather condition - obscurationFactor
Light condition - dark nightFactor
Preflight planning/preparation - inadequatePilot in commandCause
Flight into known adverse weather - performedPilot in commandCause
Proper altitude - not maintainedPilot in commandCause
Lack of total instrument timePilot in command
In flight collision with terrain/waterCruise - normal
Terrain condition - mountainous/hilly

Analysis

Impact occurred at the 3,600 ft level on a steep slope of mountainous terrain. Instrument meteorological conditions were reported by pilots as well as ground personnel in the area. Loose and unstable terrain conditions limited the investigative effort.

Aircraft

Registration
N2537M
Reported as
Piper PA-12
Category
Airplane
Serial number
12-909
Engine
Lycoming O-235C, 100 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Carroll Eugene Kneff
Airworthiness certificate
Standard, Normal
Departed
ENN · Nenana, AK
Destination
Z16 · 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
45
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Unknown, Expired
Seat
Front
Toxicology
Performed
Flight hours
550 total · 2 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Night/dark
Wind
Variable at 10 knots, gusting 25
Lowest ceiling
300 ft

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 N2537M · 2

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