ANC90LA108

NTSB accident investigation · Cessna 185 · King Salmon, AK · July 2, 1990

Accident · No injuriesLimited investigationFinal report
Date
July 2, 1990, 11:30 local (19:30 UTC)
Place
King Salmon, AK
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N53046Cessna 185
Weather
Visual (VMC) · Day
Status
Completed · report February 12, 1993
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19900702023469A
Case key
5397

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

Total loss of engine power caused by the failure of the piston rod assemblies.

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 engine power(total) - mech failure/malfApproach
Engine assembly,connecting rod - failure,totalCause
Terrain condition - tundraFactor
Forced landingDescent - emergency
Nose overLanding - roll

Analysis

The pilot reported a complete loss of power while in cruise flight. The airplane sustained substantial damage in the ensuing forced landing. An inspection of the engine revealed that three piston rod assemblies had fractured, causing the loss of power.

Aircraft

Registration
N53046
Reported as
Cessna 185
Category
Airplane
Serial number
18502336
Airframe hours
2,592
Engine
Continental IO-520D, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Registered owner
Tucker Aviation, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · June 5, 1990 · 67 hours before
Departed
DLG · Dillingham, AK
Flight plan
Company VFR
Airport
NONE

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
43
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land, Multi-engine sea, Single-engine sea
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
17,900 total · 2,000 in this make and model · 9 in the last 90 days · 90 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
100 statute miles
Lowest ceiling
None
Temperature
72 °F

FAA reports on this event · 1

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