ANC83LA099

NTSB accident investigation · Cessna 185 · (N) Skwentna, AK · June 18, 1983

Accident · No injuriesLimited investigationFinal report
Date
June 17, 1983, 21:30 local (Jun 18, 1983, 05:30 UTC)
Place
(N) Skwentna, AK
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N3991QCessna 185
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19830617031159A
Case key
4130

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/malfunctionCruise - normal
Landing gear,normal brake system - disconnectedFactor
Landing gear,normal brake system - inoperativeFactor
Aircraft preflight - inadequatePilot in commandCause
Loss of control - on ground/waterLanding - flare/touchdown
Ground loop/swerve - intentionalPilot in commandCause

Analysis

The acft was ground looped intentionally to prevent a collision with people or boats. The pilot said he had no braking action during landing. He believes someone loosened the plugs in the bottom of both brake cylinders and these plugs dropped out in flight. He said both plugs were in place during preflight and braking was good while taxing for takeoff. The tapped threads for those plugs were clean and shiny during post-accident examination.

Aircraft

Registration
N3991Q
Reported as
Cessna 185
Category
Airplane
Serial number
1850217
Airframe hours
2,941
Engine
Continental IO-520-D, 205 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Wiley D. Denson
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · August 20, 1982 · 56 hours before
Departed
215 · Birchwood, AK
Destination
Lake Creek Stp., AK
Airport
Lake Creek, runway 9, 1,000 × ft, gravel

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
44
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
500 total · 80 in this make and model · 450 as pilot in command · 30 in the last 90 days · 15 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
20 statute miles
Lowest ceiling
None
Temperature
61 °F, dew point 30 °F

FAA reports on this event · 1

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