Beech N35 accident near Hillsboro, Oregon, July 27, 1991
On July 27, 1991 at about 10:10 pm local time, a Beech N35, registered N9425Y, was substantially damaged in an accident near Hillsboro, Oregon. It was a personal flight under general aviation rules (Part 91). No one was hurt; 3 people were on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
FUEL STARVATION DUE TO THE IMPROPER USE OF THE FUEL SELECTOR SWITCH BY THE PILOT AND HIS FAILURE TO EXTEND THE LANDING GEAR FOR THE FORCED LANDING.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 27, 1991 · about 10:10 pm local time
- Place
- Hillsboro, Oregon · map
- Type
- Accident
- Injuries
- No one was hurt; 3 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Beech N35 · all N35s on the register
- Registration
- N9425Y · no longer on the register · serial D-6604
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE ACFT ENG QUIT IN CRUISE FLT AT 1500 AGL AND THE PILOT MADE A FORCED LANDING IN AN OPEN FIELD WITH THE LANDING GEAR RETRACTED. EXAM OF ACFT REVEALED THE FUEL SELECTOR ON THE EMPTY LEFT TANK, AND THE RT TANK HAD 20 GAL FUEL. ENG RAN OK AFTER THE ACCIDENT.
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: commercial pilot
- Ratings: multi-engine land; single-engine land; instrument: airplane
- Flight time: 1,605 hours in all; 650 in this make and model; 50 in the last 90 days; 10 in the last 30 days; 1,500 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: unk
The aircraft
- Last inspection: inspection type not recorded; 0 hours since
- Maximum gross weight: 3,125 lb
- Seats: 4
- Landing gear: retractable
- Engine: Continental IO-470-N (piston); 0 hours total
The flight
- Departed from: AST Astoria OR at 9:15 pm
- Destination: SLE Salem OR
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 340° at 7 knots
- Visibility: 60 statute miles
- Sky: clear
- Temperature: 84°F (29°C), dew point 57°F (14°C)
- Altimeter: 30.00 inHg
- Observation at 9:46 pm from HIO, 3 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 2 |
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.