# NTSB ANC84LA015: Stinson 108, N97155, Skwentna, AK, November 10, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: November 10, 1983, 16:30 local (20:30 UTC)
- Place: Skwentna, AK
- Coordinates: 61.930507, -151.730087 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.9305&lon=-151.7301&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4256
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA015
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4256/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA015

## Sequence of events

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

- Loss of engine power(partial) - nonmechanical, climb - to cruise
  - fluid,fuel - water (cause)
  - aircraft preflight - inadequate, pilot in command (cause)
  - fluid,fuel - ice (cause)
- Forced landing, landing - flare/touchdown
- On ground/water collision with object, landing - roll
  - object - tree(s) (contributing factor)

## Analysis

AFTER TAKEOFF THE ENG LOST 50% OF ITS POWER & A FORCED LANDING WAS MADE IN TREES. THE PLT BELIEVED THE ENG FAILURE WAS DUE TO WATER/ICE IN FUEL.

## Aircraft

- Registration: [N97155](https://openairdocs.org/deregistered/N97155-2013-03-26), registration cancelled 2013-03-26, S/N 108-155, built 1946 (OpenAirDocs)
- Reported make and model: STINSON 108
- Registry model: [Stinson 108](https://openairdocs.org/model/stinson-108) (registry code 9230402) (OpenAirDocs)
- Registry engine: [Franklin 6A4150 series](https://openairdocs.org/engine/franklin-6a4150-series) (registry code 27024, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 108-155
- Airframe hours: 1752
- Engines: FRANKLIN 6A4-150 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Andrew Cizek
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, May 6, 1983, 41 hours before
- Destination: ANCHORAGE, AK
- Airport: Skwentna, runway 9, 3,500 ×  ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 21; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 187 total, 143 in this make and model, 141 as pilot in command, 9 in the last 90 days, 4 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: calm
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 18 °F, dew point 5 °F

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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