ANC85LA096

NTSB accident investigation · Piper PA-18 · Mulchatna River, AK · June 17, 1985

Accident · No injuriesLimited investigationFinal report
Date
June 17, 1985, 13:30 local (21:30 UTC)
Place
Mulchatna River, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N4876APiper PA-18
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19850617025849A
Case key
4501

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.

Airframe/component/system failure/malfunctionTakeoff
Landing gear,axle - output lowCause
Preflight planning/preparation - poorPilot in commandCause
Overconfidence in personal abilityPilot in commandCause
Terrain condition - rough/unevenFactor
Compensation for wind conditions - poorPilot in commandCause
Overconfidence in aircraft's abilityPilot in commandFactor
Weather condition - crosswindFactor
Flight manuals - disregardedPilot in commandFactor
InattentivePilot in commandFactor
Information insufficientPilot in command
Loss of control - on ground/waterTakeoff

Analysis

Plt reported that left wheel axle broke during aborted takeoff from gravel bar, causing acft to ground loop. Plt failed to provide complete info & broken axle for analysis.

Aircraft

Registration
N4876A
Reported as
Piper PA-18
Category
Airplane
Serial number
18-4975
Engine
unknown 0, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
James R. Mcdade
Airworthiness certificate
Standard, Normal
Departed
Mulchatna River, AK
Destination
Portage Creek, 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
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Front
Flight hours
7,000 total · 6,000 in this make and model · 80 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
0° at 20 knots
Visibility
60 statute miles
Lowest ceiling
None
Temperature
50 °F, dew point -0 °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 N4876A · 1

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