ANC86LA086

NTSB accident investigation · de Havilland DHC-2 · Bulchitna Lake, AK · June 23, 1986

Accident · No injuriesLimited investigationFinal report
Date
June 22, 1986, 17:00 local (Jun 23, 1986, 01:00 UTC)
Place
Bulchitna Lake, AK
Injuries
7 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N67686de Havilland DHC-2
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19860622027159A
Case key
4683

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 control - on ground/waterTaxi - to takeoff
Terrain condition - water,roughFactor
Compensation for wind conditions - inadequatePilot in commandFactor
Overconfidence in personal abilityPilot in commandFactor
Inadequate surveillance of operationCompany/operator mgmtFactor
Weather evaluation - not performedPilot in commandFactor
Water loop/swerve - uncontrolledPilot in commandCause
Aircraft handling - poorPilot in commandCause
Improper trainingPilot in commandCause

Analysis

The airplane struck a wingtip on the water while step taxiing downwind attempting a left turn.

Aircraft

Registration
N67686
Reported as
de Havilland DHC-2
Category
Airplane
Serial number
1230
Airframe hours
9,888
Engine
P&W 985-ANI, 450 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Registered owner
Alaska Air Guides
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · May 20, 1986 · 86 hours before
Destination
Z41 · Anchorage, AK

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
47
Certificates
Flight instructor, Airline transport, Commercial
Airplane ratings
Multi-engine land, Single-engine land, Multi-engine sea, Single-engine sea
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
12,180 total · 350 in this make and model · 12,180 as pilot in command · 125 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
130° at 20 knots
Visibility
90 statute miles
Lowest ceiling
600 ft broken
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.