ANC85LA073

NTSB accident investigation · Cessna 206 · Seward, AK · April 26, 1985

Accident · No injuriesLimited investigationFinal report
Date
April 26, 1985, 10:00 local (14:00 UTC)
Place
Seward, AK
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N4863CCessna 206
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19850426015869A
Case key
4485

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.

Loss of engine power(total) - mech failure/malfCruise
Engine assembly,camshaft - failure,totalCause
Maintenance,lubrication - improperManufacturerCause
Engine assembly,bearing - failure,totalCause
Engine assembly,cylinder - failure,totalCause
In flight collision with terrain/waterDescent - emergency

Analysis

The plt stated the acft was in cruise flt when the engine quit. The plt attempted an emergency landing on the beach but crashed in the water. The acft engine was not located for several days after the accident. According to the operator the engine failure was due to a broken crank shaft. Salt water damage precluded an analysis of the shaft failure.

Aircraft

Registration
N4863C
Reported as
Cessna 206
Category
Airplane
Serial number
U20603856
Airframe hours
4,361
Engine
Continental IO-520, 285 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Operator
John Foode, doing business as Chitina Air Service
Registered owner
Chitina Air Service
Airworthiness certificate
Standard, Utility
Last inspection
100 hour · March 9, 1985 · 13 hours before
Departed
CDV · Cordova, AK
Destination
Port Graham, AK
Flight plan
VFR

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
24
Certificate
Commercial
Airplane ratings
Single-engine sea, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
4,136 total · 1,000 in this make and model · 4,000 as pilot in command · 80 in the last 90 days · 40 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
360° at 15 knots, gusting 20
Visibility
50 statute miles
Lowest ceiling
None
Temperature
43 °F, dew point 10 °F
Altimeter
29.00 inHg

FAA reports on this event · 1

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

Other investigations on N4863C · 1

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