# NTSB SEA83FA096: Stinson 108-2, N9408K, Quilcene, WA, September 14, 1983

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Field investigation · Final report
- Date: September 14, 1983, 08:00 local (15:00 UTC)
- Place: Quilcene, WA
- Coordinates: 47.819049, -122.840354 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.8190&lon=-122.8404&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 39610
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA83FA096
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39610/pdf
- Page: https://openairdocs.org/ntsb/SEA83FA096

## Sequence of events

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

- In flight encounter with weather, cruise - normal
  - weather condition - low ceiling (contributing factor)
  - vfr flight into imc - inadvertent, pilot in command (cause)
  - weather condition - obscuration (contributing factor)
  - weather forecast - misjudged, pilot in command (cause)
- In flight collision with terrain/water, cruise - normal
  - terrain condition - rising (contributing factor)

## Analysis

THE ACFT COLLIDED WITH TREES AT THE 2800 FT LEVEL OF A MOUNTAIN AFTER THE PILOT ENCOUNTERED IMC WEATHER. THE WEATHER WASVMC IN THE AREA BUT THE MOUNTAIN RANGES HAD BEEN FORECAST TO BE OBSCURED IN WEATHER. THE PILOT HAD RECEIVED A WEATHER BRIEFING. THE ACFT PROGRESSED THROUGH THE TREES UNTIL GROUND CONTACT AND WAS DESTROYED. THE PILOT WAS SERIOUSLY INJURED.NO FLT PLAN WAS FILED. THE FLT HAD BEEN ENROUTE ABOUT 30 MINUTES BEFORE IT CRASHED.

## Aircraft

- Registration: [N9408K](https://openairdocs.org/deregistered/N9408K-1994-06-09), registration cancelled 1994-06-09, S/N 1082408 (OpenAirDocs)
- Reported make and model: STINSON 108-2
- Registry model: [Universal Stinson 108-2](https://openairdocs.org/model/universal-stinson-108-2) (registry code 9230416) (OpenAirDocs)
- Category: Airplane
- Serial number: 2408
- Airframe hours: 4037
- Engines: FRANKLIN 6A4-165-B3 165 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Larry L. Rocho
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, October 8, 1982, 9 hours before
- Departed: WA31, LANGLEY, WA
- Destination: PNT, BREMERTON, WA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 108 total, 13 in this make and model, 44 as pilot in command, 1 in the last 90 days, 1 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Day
- Wind: calm
- Lowest ceiling: 4,000 ft broken
- Temperature: 45 °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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