# NTSB SEA85FYM03: Cessna 170B, N8011A, Manzanita, OR, July 29, 1985

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Final report
- Date: July 29, 1985, 15:10 local (22:10 UTC)
- Place: Manzanita, OR
- Coordinates: 45.319381, -122.980155 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.3194&lon=-122.9802&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 case key (mKey): 40069
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA85FYM03
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40069/pdf
- Page: https://openairdocs.org/ntsb/SEA85FYM03

## Sequence of events

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

- In flight encounter with weather, climb - to cruise
  - weather evaluation - not attained, pilot in command (cause)
  - preflight briefing service - not used, pilot in command (cause)
  - vfr flight into imc - performed, pilot in command (cause)
  - weather condition - low ceiling (contributing factor)
  - procedures/directives - not followed, pilot in command (cause)
- In flight collision with terrain/water, climb - to cruise
  - terrain condition - high terrain (contributing factor)
  - visual/aural perception, pilot in command (cause)
  - self-induced pressure, pilot in command (cause)

## Analysis

AIRCRAFT WAS OBSERVED TO ENTER A LOW OVERCAST SHORTLY AFTER TAKE OFF. THE AIRCRAFT THEN HIT A MOUNTAIN ABOUT 4 MILES NORTH OF THE DEPARTURE AIRPORT.

## Aircraft

- Registration: [N8011A](https://openairdocs.org/deregistered/N8011A-2013-05-13), registration cancelled 2013-05-13, S/N 20863, built 1952 (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 20863
- Airframe hours: 4026
- Engines: CONTINENTAL O-300-A 145 horsepower reciprocating
- Damage: Substantial damage
- Fire: On-Ground
- Flight: Personal, Part 91
- Operator: Theodore E. Deusner
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, January 1, 1985, 58 hours before
- Departed: 3S7, MANZANITA, OR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--no waivers/lim.; seat: left; toxicology performed; flight hours: 937 total, 857 as pilot in command, 40 in the last 90 days, 18 in the last 30 days

## Weather

- Conditions: Instrument (IMC), Day
- Lowest ceiling: 500 ft overcast

## 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 19850729034619A](https://openairdocs.org/incident/19850729034619A), Jul 29, 1985: Cessna 170B, Manzanita, OR, Destroyed, 1 fatal. Took off with low ceiling,drizzle and fog into an area in which the mountain tops were obscured. Impacted mountain.

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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