ANC89FA091

NTSB accident investigation · de Havilland DHC-2 · Anchorage, AK · June 13, 1989

Accident · No injuriesField investigationFinal report
Date
June 12, 1989, 23:33 local (Jun 13, 1989, 07:33 UTC)
Place
Anchorage, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N11GAde Havilland DHC-2
Weather
Visual (VMC) · Day
Status
Completed · report June 19, 1991
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19890612015499A
Case key
5112

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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Probable cause

Failure of the pilot to maintain directional control which resulted in an inadvertent ground swerve.

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
Directional control - not maintainedPilot in commandCause
Ground loop/swerve - inadvertentPilot in commandCause
On ground/water encounter with terrain/waterLanding - roll

Analysis

The pilot stated that after the float plane touched down on the lake, it veered left & struck the bank of the lake. The acft came to rest on top of the bank about 7 ft from the water.

Aircraft

Registration
N11GA
Reported as
de Havilland DHC-2
Category
Airplane
Serial number
1111
Airframe hours
7,715
Engine
P&W R-985, 450 horsepower, reciprocating
Damage
Substantial damage
Flight
Business · Part 91
Registered owner
Bush Pilts Air Service Inc.
Airworthiness certificate
Standard, Normal
Last inspection
AAIP · June 10, 1989 · 27 hours before
Departed
AK66 · Whittier, AK
Airport
LHD · Lake Hood Spb, runway 27, 4,540 × 150 ft, water

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
42
Certificate
Airline transport
Airplane ratings
Single-engine land, Single-engine sea, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
4,300 total · 480 in this make and model · 3,000 as pilot in command · 60 in the last 90 days · 10 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
170° at 8 knots
Visibility
90 statute miles
Lowest ceiling
None
Temperature
54 °F, dew point 43 °F
Altimeter
29.00 inHg
Observed at
ANC, 1 nm away

FAA reports on this event · 1

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