# NTSB ANC86LA086: de Havilland DHC-2, N67686, Bulchitna Lake, AK, June 23, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 22, 1986, 17:00 local (Jun 23, 1986, 01:00 UTC)
- Place: Bulchitna Lake, AK
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 7 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4683
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA086
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4683/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA086

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of control - on ground/water, taxi - to takeoff
  - terrain condition - water,rough (contributing factor)
  - compensation for wind conditions - inadequate, pilot in command (contributing factor)
  - overconfidence in personal ability, pilot in command (contributing factor)
  - inadequate surveillance of operation, company/operator mgmt (contributing factor)
  - weather evaluation - not performed, pilot in command (contributing factor)
  - water loop/swerve - uncontrolled, pilot in command (cause)
  - aircraft handling - poor, pilot in command (cause)
  - improper training, pilot in command (cause)

## Analysis

THE AIRPLANE STRUCK A WINGTIP ON THE WATER WHILE STEP TAXIING DOWNWIND ATTEMPTING A LEFT TURN.

## Aircraft

- Registration: [N67686](https://openairdocs.org/deregistered/N67686-2001-05-07), registration cancelled 2001-05-07, S/N 1382 (OpenAirDocs)
- Reported make and model: de Havilland DHC-2
- Registry model: [Dehavilland BEAVER DHC-2 MK.1](https://openairdocs.org/model/dehavilland-beaver-dhc-2-mk-1) (registry code 2800102) (OpenAirDocs)
- Category: Airplane
- Serial number: 1230
- Airframe hours: 9888
- Engines: P&W 985-ANI 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Alaska Air Guides
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, May 20, 1986, 86 hours before
- Destination: Z41, ANCHORAGE, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 47; flight instructor, airline transport, commercial; airplane ratings: multi-engine land, single-engine land, multi-engine sea, single-engine sea; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 12,180 total, 350 in this make and model, 12,180 as pilot in command, 125 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 130° at 20 knots
- Visibility: 90 statute miles
- Lowest ceiling: 600 ft broken
- Temperature: 55 °F
- Altimeter: 29.00 inHg

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19860622027159A](https://openairdocs.org/incident/19860622027159A), Jun 22, 1986: Dhav DHC2MK1, Bulchitna, AK, Substantial damage. Wing tip struck the water while step taxiing downwind.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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