# NTSB ANC85FA135: Stinson SR6, N15120, Port Lions, AK, July 23, 1985

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: July 23, 1985, 10:38 local (18:38 UTC)
- Place: Port Lions, AK
- Coordinates: 57.900249, -153.039764 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=57.9002&lon=-153.0398&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4422
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC85FA135
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4422/pdf
- Page: https://openairdocs.org/ntsb/ANC85FA135

## Sequence of events

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

- In flight encounter with weather, cruise - normal
  - preflight planning/preparation - improper, pilot in command (cause)
  - weather evaluation - not followed, pilot in command (cause)
  - vfr flight into imc - performed, pilot in command (cause)
  - weather condition - low ceiling (contributing factor)
  - weather condition - fog (contributing factor)
- Loss of control - in flight, cruise - normal
  - spatial disorientation, pilot in command (cause)
  - lack of total instrument time, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE PILOT CONTINUED THE FLIGHT INTO LESS THAN VISUAL CONDITIONS; BECAME SPATIALLY DISORIENTED AND CRASHED WHILE THE AIPLANE WAS OUT OF CONTROL.

## Aircraft

- Registration: N15120 (not matched to a registry record)
- Reported make and model: STINSON SR6
- Category: Airplane
- Serial number: 9611
- Engines: LYCOMING R-680-B6 245 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Business, Part 91
- Registered owner: Lewis Hall Thompson
- Departed: CHIRIKOF ISLAND, AK
- Destination: ADQ, KODIAK NAS, AK
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 36; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 84 total, 8 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Day
- Wind: 90° at 4 knots
- Lowest ceiling: 100 ft
- Temperature: 54 °F, dew point 52 °F
- Altimeter: 29.00 inHg
- Observed at: ODK, 18 nm away

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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