# NTSB SEA86LA088: Beech E-35, N2998B, Couger, WA, March 31, 1986

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: March 31, 1986, 11:15 local (19:15 UTC)
- Place: Couger, WA
- Coordinates: 46.190711, -122.129814 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.1907&lon=-122.1298&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40377
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA86LA088
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40377/pdf
- Page: https://openairdocs.org/ntsb/SEA86LA088

## Sequence of events

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

- Loss of engine power, cruise
  - fuel system,pump - inoperative (cause)
- Forced landing, descent - emergency
  - object - tree(s)
- In flight collision with terrain/water, landing
  - terrain condition - none suitable (contributing factor)

## Analysis

WHILE AT CRUISE, THE PILOT INTENTIONALLY RAN ONE FUEL TANK DRY. WHEN THE PILOT ATTEMPTED A RESTART BY USE OF THE WOBBLE PUMP, THE AIRCRAFT'S ENGINE WOULD NOT START. THE PILOT MADE A FORCED LANDING INTO TREES FOR LACK OF A MORE SUITABLE LANDING SITE. THE WOBBLE PUMP WAS FOUND TO BE INOPERATIVE.

## Aircraft

- Registration: [N2998B](https://openairdocs.org/deregistered/N2998B-1990-07-25), registration cancelled 1990-07-25, S/N D3747 (OpenAirDocs)
- Reported make and model: BEECH E-35
- Registry model: [Beech E35](https://openairdocs.org/model/beech-e35) (registry code 1151512) (OpenAirDocs)
- Category: Airplane
- Serial number: D3747
- Airframe hours: 4200
- Engines: CONTINENTAL E-225-8 225 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Kenneth C. Dock
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, May 7, 1985
- Departed: S22, HERMISTON, OR
- Destination: KLS, KELSO, WA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 70; private; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 10,000 total, 10,000 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 61 °F
- Altimeter: 29.00 inHg

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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