Cessna A150M accident near Seattle, Washington, June 5, 1990
On June 5, 1990 at about 9:40 pm local time, a Cessna A150M, registered N8175V, was substantially damaged in an accident near Seattle, Washington (Boeing Field). It was an instructional flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE FUEL STARVATION CAUSED BY CARBURETOR CONTAMINANTS BLOCKING THE ACCELERATOR PUMP INLET CHECK VALVE ASSEMBLY AND MAIN NOZZLE ASSEMBLY.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 5, 1990 · about 9:40 pm local time
- Place
- Seattle, Washington · Boeing Field · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna A150M · all A150Ms on the register
- Registration
- N8175V · registry record · serial A1500555
- Damage
- Substantial damage
- Flight
- Instructional flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
N8175V WAS SUBSTANTIALLY DAMAGED DURING ROLL-OUT AFTER AN EMERGENCY LANDING. WHEN THE CARBURETOR WAS DISASSEMBLED, A SMALL RUST-BALL WAS FOUND IN THE CARBURETOR CAVITY BELOW THE MAIN NOZZLE ASSEMBLY, AND THE COIL SPRING COMPONENT OF THE ACCELERATOR PUMP PLUNGER ASSEMBLY WAS DETERMINED TO BE DISINTEGRATED AND CORRODED.
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: flight instructor, commercial pilot
- Ratings: single-engine land; instructor: airplane single-engine; instrument: airplane
- Flight time: 735 hours in all; 331 in this make and model; 210 in the last 90 days; 54 in the last 30 days; 664 as pilot in command; 196 on instruments
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: rgt
The aircraft
- Airframe total time: 3,109 hours
- Last inspection: 100-hour inspection, May 19, 1990; 8 hours since
- Maximum gross weight: 1,600 lb
- Seats: 2
- Landing gear: fixed
- Engine: Continental O-200-A (piston); 0 hours total
- Operator: Aero Flight Executive Services
The flight
- Flight plan: none
- Runway 0
- A second pilot was aboard
Weather at the time
- Light: daylight
- Wind: from 340° at 5 knots
- Visibility: 10 statute miles
- Sky: broken clouds at 20,000 ft; scat at 3,000 ft
- Temperature: 68°F (20°C), dew point 39°F (4°C)
- Altimeter: 29.00 inHg
- Observation at 9:48 pm from BFI
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 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.