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Accidents · NTSB SEA86LA088 · Preliminary: the investigation is not finished

Beech E-35 accident near Couger, Washington, March 31, 1986

On March 31, 1986 at about 7:15 pm local time, a Beech E-35, registered N2998B, was substantially damaged in an accident near Couger, Washington. It was a personal flight under general aviation rules (Part 91). 2 people had minor injuries. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
March 31, 1986 · about 7:15 pm local time
Place
Couger, Washington · map
Type
Accident
Injuries
2 people had minor injuries.
Weather
visual conditions (good weather)
Aircraft
Beech E-35 · all E-35s on the register
Registration
N2998B · no longer on the register · serial D3747
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

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.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

Pilot

  • Certificate: private
  • Ratings: single-engine land
  • Flight time: 10,000 hours in all; 10,000 in this make and model
  • Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 4,200 hours
  • Last inspection: annual inspection, May 7, 1985
  • Maximum gross weight: 2,775 lb
  • Seats: 4
  • Landing gear: retractable
  • Engine: Continental E-225-8 (piston); 0 hours total

The flight

  • Departed from: S22 Hermiston OR at 6:30 pm
  • Destination: KLS Kelso WA
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Visibility: 50 statute miles
  • Sky: clear
  • Temperature: 61°F (16°C), dew point 0°F (-18°C)
  • Altimeter: 29.00 inHg

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.