ANC89LA154

NTSB accident investigation · de Havilland DHC-2 · Iliamna, AK · September 1, 1989

Accident · No injuriesLimited investigationFinal report
Date
August 31, 1989, 16:30 local (Sep 1, 1989, 00:30 UTC)
Place
Iliamna, AK
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N64273de Havilland DHC-2
Weather
Visual (VMC) · Day
Status
Completed · report June 28, 1991
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19890831035489A
Case key
5251

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

The pilot's selection of unsuitable terrain for an off-airport operation. Factors related to the accident were: the adverse terrain conditions.

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.

On ground/water encounter with terrain/waterTakeoff - roll/run
Unsuitable terrain or takeoff/landing/taxi area - selectedPilot in commandCause
Terrain condition - loose gravel/sandyFactor
Terrain condition - softFactor
Terrain condition - ditchFactor
Main gear collapsedTakeoff - aborted
Landing gear,main gear - overload

Analysis

The pilot stated that he aborted a takeoff from a gravel bar after the airplane's main wheels hit a soft spot. Before the airplane could be stopped, it hit a ditch. Subsequently, the left main landing gear collapsed & the left wing hit the ground.

Aircraft

Registration
N64273
Reported as
de Havilland DHC-2
Category
Airplane
Serial number
897
Engine
P&W R-985-14B, 350 horsepower, reciprocating
Damage
Substantial damage
Flight
Business · Part 91
Registered owner
Rainbow King Lodge, Inc.
Destination
ILI · Iliamna, AK
Flight plan
Company 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
37
Certificates
Commercial, Airline transport, Flight instructor
Airplane ratings
Single-engine land, Single-engine sea, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Flight hours
3,500 total · 150 in this make and model · 3,320 as pilot in command · 250 in the last 90 days · 125 in the last 30 days · 12 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
10,000 ft broken
Temperature
-0 °F, dew point -0 °F

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 N64273 · 1

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