ANC85LA104

NTSB accident investigation · de Havilland DHC-2 · Ungalikthluk Rv, AK · June 22, 1985

Accident · No injuriesLimited investigationFinal report
Date
June 21, 1985, 17:00 local (Jun 22, 1985, 01:00 UTC)
Place
Ungalikthluk Rv, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N10395de Havilland DHC-2
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19850621027019A
Case key
4506

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/waterLanding
Weather condition - unfavorable windFactor
Weather condition - high windFactor
Weather condition - gustsFactor
Compensation for wind conditions - improperPilot in commandCause
Directional control - not maintainedPilot in commandCause
Ground loop/swerve - uncontrolled
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - dirt bank/rising embankmentFactor

Analysis

The plt reported that when he was landing the float plane on a river, an extreme gust of wind cocked the acft causing loss of control. Subsequently, the acft struck a river bank & was damaged. The plt noticed that after the landing, the winds had changed, were shifting to the southwest & were much stronger. He estimated gusts to 35 KTS.

Aircraft

Registration
N10395
Reported as
de Havilland DHC-2
Category
Airplane
Serial number
1359
Airframe hours
11,215
Engine
P&W R-985, 450 horsepower, reciprocating
Damage
Substantial damage
Flight
Business · Part 91
Operator
William Hubbard, doing business as Bristol Bay Lodge
Registered owner
Bristol Bay Lodge
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 5, 1985 · 25 hours before
Destination
DLG · Dillingham, 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
35
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land, Multi-engine sea, Single-engine sea
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
2,849 total · 1,610 in this make and model · 2,676 as pilot in command · 30 in the last 90 days · 15 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
220° at 15 knots, gusting 35
Visibility
30 statute miles
Lowest ceiling
None
Temperature
48 °F, dew point 21 °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.

Other investigations on N10395 · 1

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