# NTSB ANC85LA038: Piper PA-18, N1912A, Shaktoolik, AK, January 8, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 8, 1985, 14:00 local (18:00 UTC)
- Place: Shaktoolik, AK
- Coordinates: 64.360343, -161.210205 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=64.3603&lon=-161.2102&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4461
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC85LA038
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4461/pdf
- Page: https://openairdocs.org/ntsb/ANC85LA038

## Sequence of events

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

- On ground/water encounter with terrain/water, takeoff - roll/run
  - preflight planning/preparation - poor, pilot in command (cause)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - terrain condition - snowbank (contributing factor)
- Loss of control - on ground/water, takeoff - roll/run
  - directional control - not maintained, pilot in command (cause)
- On ground/water collision with object, takeoff - roll/run

## Analysis

THE SKI EQUIPPED ACFT CONTACTED A SNOW DRIFT DURING TAKEOFF GROUND RUN. ACFT VEERED AND CONTACTED A FISHING RACK.

## Aircraft

- Registration: [N1912A](https://openairdocs.org/aircraft/N1912A), registered now, S/N 18-1748, built 1952 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-125](https://openairdocs.org/model/piper-pa-18-125) (registry code 7101812) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: 181748
- Airframe hours: 2500
- Engines: LYCOMING O-290-D2 125 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: James B. Tweto
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, May 8, 1984, 110 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 22; student; airplane ratings: single-engine land; medical: class 3, unknown; seat: front; flight hours: 105 total, 105 in this make and model, 81 as pilot in command, 20 in the last 90 days, 10 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 50 statute miles
- Lowest ceiling: 6,000 ft overcast
- Temperature: 30 °F, dew point 19 °F

## 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 19850108002159A](https://openairdocs.org/incident/19850108002159A), Jan 8, 1985: Piper PA18125, Shaktoolik, AK, Substantial damage. Ski equipped plane struck a snowbank on takeoff. Pilot aborted but struck a fish shack.

## Other investigations on N1912A (1)

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.

- [NTSB ANC08CA068](https://openairdocs.org/ntsb/ANC08CA068), May 17, 2008: Piper PA-18 (N1912A), Anchorage, AK, substantial damage. Probable cause: The pilot's inadequate compensation for a crosswind during landing. Contributing to the accident was the crosswind and an inadvertent ground loop.

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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