# NTSB DEN87FA050: Cessna TR-182, N6089T, Moran, WY, February 2, 1987

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: February 1, 1987, 18:40 local (Feb 2, 1987, 01:40 UTC)
- Place: Moran, WY
- Coordinates: 43.840187, -110.499687 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.8402&lon=-110.4997&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report May 9, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 17095
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN87FA050
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17095/pdf
- Page: https://openairdocs.org/ntsb/DEN87FA050

## Analysis

THE PILOT RECEIVED SEVERAL WEATHER BRIEFINGS PRIOR TO DEPARTURE. BRIEFINGS INCLUDED REPORTS OF ICING CONDITIONS, LOW CLOUDS AND TURBULENCE. VFR FLIGHT WAS NOT RECOMMENDED. PLT DEPARTED VFR AND FILED IFR ENROUTE TO JACKSON. THE PILOT WAS ISSUED INSTRUCTIONS FOR THE ILS APPROACH TO JACKSON BUT WAS UNABLE TO EXECUTE THEM. THE ATC CONTROLLER ATTEMPTED TO GUIDE N6089T TO JACKSON, THEN IDAHO FALLS, DUE TO SEVERE WEATHER THAT INCLUDED TURBULENCE AND ICING ON THE APPROACH TO JACKSON. THE ACCIDENT OCCURRED APROX 30 MILES FROM JACKSON. PLT LOGBOOK REVEALED NO RECENT NIGHT FLIGHT TIME.

## 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 forecast - disregarded, pilot in command (contributing factor)
  - in-flight planning/decision - improper, pilot in command (cause)
  - overconfidence in personal ability, pilot in command
  - flight into known adverse weather - attempted, pilot in command (cause)
  - overconfidence in aircraft's ability, pilot in command
  - weather condition - low ceiling (contributing factor)
  - weather condition - turbulence in clouds (contributing factor)
  - weather condition - icing conditions (contributing factor)
  - light condition - dark night (contributing factor)
  - became lost/disoriented - inadvertent, pilot in command (contributing factor)
  - physical impairment(anoxia/hypoxia), pilot in command (contributing factor)
- Loss of control - on ground/water, maneuvering
  - ifr procedure - not followed, pilot in command (cause)
  - anxiety/apprehension, pilot in command (contributing factor)
  - altitude - not maintained, pilot in command (cause)
  - visual/aural perception, pilot in command (contributing factor)
  - airspeed - excessive, pilot in command (cause)
  - spiral - not corrected, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled
  - terrain condition - high terrain
  - terrain condition - snow covered

## Aircraft

- Registration: [N6089T](https://openairdocs.org/deregistered/N6089T-2013-06-12), registration cancelled 2013-06-12, S/N R18201897, built 1982 (OpenAirDocs)
- Reported make and model: CESSNA TR-182
- Registry model: [Cessna TR182](https://openairdocs.org/model/cessna-tr182) (registry code 2072735) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: F18201897
- Engines: LYCOMING O-540-L3C52 235 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Horace H. Koessler
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, January 5, 1987
- Departed: MSO, MISSOULA, MT
- Destination: JAC, JACKSON, WY
- Flight plan: VFR/IFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 78; commercial; airplane ratings: single-engine sea, single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; toxicology performed; flight hours: 7,084 total, 10 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Night/dark
- Wind: 270° at 50 knots, gusting 70
- Temperature: -0 °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 19870201002439A](https://openairdocs.org/incident/19870201002439A), Feb 1, 1987: Cessna TR182, Moran, WY, Destroyed, 1 fatal. Aircraft impacted in high terrain in adverse weather conditions. Suspect pilot suffering effects of hypoxia.

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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