ANC92LA060

NTSB accident investigation · De Havilland DHC-2 · Port Walter, AK · January 2, 1992

Accident · No injuriesLimited investigationFinal report
Date
January 2, 1992, 13:30 local (22:30 UTC)
Place
Port Walter, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N64396De Havilland DHC-2
Weather
Visual (VMC) · Day
Status
Completed · report May 26, 1993
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19920102002039A
Case key
5712

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

The design stress limits of the airplane were exceeded. A factor to the accident was: rough water.

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.

In flight collision with terrain/waterTakeoff - initial climb
Terrain condition - water,roughFactor
Design stress limits of aircraft - exceededPilot in commandCause

Analysis

At the beginning of an unscheduled cargo flight with a float equipped airplane, the airplane's floats struck a wave just after takeoff. The flying wires on both floats broke loose and struck the airplane. The flight continued to its final destination for a landing without further incident.

Aircraft

Registration
N64396
Reported as
De Havilland DHC-2
Category
Airplane
Serial number
70
Engine
P&W R985-14B, 450 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Operator
Bellows, Kenneth A, doing business as Bellair, Inc.
Registered owner
Bellows, Kenneth A.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · January 2, 2000
Destination
SIT · Sitka, AK
Flight plan
Company VFR
Airport
PWR · Port Walter

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
49
Certificate
Commercial
Airplane ratings
Single-engine sea, Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
25,000 total · 5,000 in this make and model · 300 in the last 90 days · 100 in the last 30 days · 6 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
130° at 10 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
45 °F

FAA reports on this event · 1

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