ANC85LA174

NTSB accident investigation · Cessna C-206 · Big River, AK · September 10, 1985

Accident · No injuriesLimited investigationFinal report
Date
September 9, 1985, 16:45 local (Sep 10, 1985, 00:45 UTC)
Place
Big River, AK
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N9963MCessna C-206
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19850909047199A
Case key
4562

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

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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 control - on ground/waterTaxi - to takeoff
Weather condition - gustsCause
On ground/water encounter with terrain/waterTaxi - to takeoff
Compensation for wind conditions - not performedPilot in commandCause
Unsuitable terrain or takeoff/landing/taxi area - selectedPilot in commandFactor

Analysis

The pilot-in-command was attempting to taxi through shallow water to reach the takeoff point. As the airplane's floats came up on step a gust of wind from the left rear caused the airplane to weather vance and struck the streams bank. The stream was very narrow and the pilot stated he did not have time to take corrective action.

Aircraft

Registration
N9963M
Reported as
Cessna C-206
Category
Airplane
Serial number
U20604613
Airframe hours
238
Engine
Continental IO 520-F, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Business · Part 91
Registered owner
Iliaska Lodge
Airworthiness certificate
Standard, Normal
Departed
Big River, AK
Destination
ILI · Iliamna, AK

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
63
Certificates
Commercial, Airline transport, Flight instructor
Airplane ratings
Single-engine land, Multi-engine sea, Single-engine sea, Multi-engine land
Instrument ratings
Airplane, Helicopter
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
20,214 total · 775 in this make and model

Weather

Conditions
Visual (VMC) · Day
Visibility
15 statute miles
Lowest ceiling
None
Temperature
55 °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.