ANC86LA133

NTSB accident investigation · Cessna U206 · Kamishak Bay, AK · August 20, 1986

Accident · No injuriesLimited investigationFinal report
Date
August 20, 1986, 08:15 local (16:15 UTC)
Place
Kamishak Bay, AK
Injuries
5 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N39269Cessna U206
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19860820043959A
Case key
4720

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/waterLanding - roll
Terrain condition - rough/unevenCause
In-flight planning/decision - inadequatePilot in commandCause
Improper use of procedurePilot in commandFactor
Wind information - not obtainedPilot in commandCause
Aircraft handling - not maintainedPilot in commandCause
Directional control - not maintainedPilot in commandCause

Analysis

After touchdown in the bay, the pilot lost directional control of the aircraft causing the aircraft to nose over on its back in the water.

Aircraft

Registration
N39269
Reported as
Cessna U206
Category
Airplane
Serial number
U20605781
Airframe hours
2,026
Engine
Continental IO-520F, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Operator
Timothy J. Laporte, doing business as Iliamna Air Taxi, Inc.
Airworthiness certificate
Standard, Utility
Last inspection
100 hour · December 30, 1985 · 32 hours before
Departed
ILI · Iliamna, AK
Flight plan
VFR

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
35
Certificate
Airline transport
Airplane ratings
Single-engine land, Single-engine sea, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
9,642 total · 3,000 in this make and model · 9,490 as pilot in command · 151 in the last 90 days · 75 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
30 statute miles
Lowest ceiling
None
Temperature
70 °F, dew point 39 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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