SEA86LA049

NTSB accident investigation · de Havilland DHC-2 · Metlakatla, AK · January 30, 1986

Accident · No injuriesLimited investigationFinal report
Date
January 30, 1986, 12:15 local (16:15 UTC)
Place
Metlakatla, AK
Injuries
9 uninjured
Phase of flight
Taxi
Aircraft
N127WAde Havilland DHC-2N1018Hde Havilland DHC-2
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
40350

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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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
Proper assistance - not performedGround personnelCause
Compensation for wind conditions - not possiblePilot in commandCause
Airport facilities,runway/landing area condition - water,roughFactor
Weather condition - crosswindFactor
Object - airport facilityFactor
On ground/water collision with objectTaxi
Object - aircraft moving on groundFactor
Object - airport facilityFactor
Loss of control - on ground/waterTaxi
Proper assistance - not performedGround personnelCause
Compensation for wind conditions - not possiblePilot in commandCause
Airport facilities,runway/landing area condition - water,roughFactor
Weather condition - crosswindFactor
Object - airport facilityFactor
On ground/water collision with objectTaxi
Object - aircraft moving on groundFactor
Object - airport facilityFactor

Analysis

Wind was 070 degrees at 20 KTS with 6-12 inch sweels. N127WA was positioned at north side of dock for departure toward east. N1018H was holding at east side of dock. Deck hand cast off N127WA before plt started engine; acft began to drift back into dock. Plt started eng, attempted to maneuver away from dock, but dock proximity prohibited use of sufficient power to establish steerageway under existing weather conditions. N127WA drifted around northeast corner of dock and into N1018H. N127WA sustained substantial damage and plt shut down eng. N1018H sustained minor damage, plt taxied clear. N127WA drifted back into east side of dock, sustained further damage from wind and wave action.

Aircraft · 2

Registration
N127WA
Reported as
de Havilland DHC-2
Category
Airplane
Serial number
1242-A
Airframe hours
11,763
Engine
P&W R-985, 450 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Operator
Temsco Airlines
Registered owner
Temsco Airlines
Airworthiness certificate
Standard, Normal
Departed
KTN · Ketchikan, AK
Destination
MTM · Metlakatla, AK
Flight plan
Company VFR
Airport
MTB · Metlakatla Seaplane Base
Registration
N1018H
Reported as
de Havilland DHC-2
Category
Airplane
Serial number
732
Airframe hours
8,150
Engine
P&W R-985, 450 horsepower, reciprocating
Damage
Minor damage
Flight
Part 135
Operator
West Flight Aviation
Registered owner
West Flight Aviation
Airworthiness certificate
Standard, Normal
Departed
KTN · Ketchikan, AK
Destination
MTM · Metlakatla, AK
Flight plan
Company VFR
Airport
MTB · Metlakatla Seaplane Base

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 · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot, aircraft N127WA
Age
44
Certificate
Commercial
Airplane ratings
Multi-engine sea, Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
2,700 total · 2,700 in this make and model · 2,500 as pilot in command · 100 in the last 90 days · 8 in the last 24 hours
Role
Pilot, aircraft N1018H
Age
56
Certificates
Flight instructor, Airline transport
Airplane ratings
Single-engine land, Multi-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
11,000 total · 3,500 in this make and model · 217 in the last 90 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
70° at 20 knots, gusting 25
Visibility
5 statute miles
Lowest ceiling
None
Temperature
39 °F, dew point 36 °F

FAA reports on this event · 2

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