Cessna 170B accident near Birchwood, Alaska, May 23, 1989
On May 23, 1989, a Cessna 170B, registered N3132B, was substantially damaged in an accident near Birchwood, Alaska (Birchwood airport). It was a personal flight under general aviation rules (Part 91). 1 person had minor injuries. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
FAILURE OF THE PILOT TO ASSURE THAT THE FUEL SELECTOR WAS IN THE PROPER DETENT FOR TAKEOFF. A FACTOR RELATED TO THE ACCIDENT WAS: THE SOFT/MUDDY TERRAIN CONDITIONS IN THE EMERGENCY LANDING AREA.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- May 23, 1989
- Place
- Birchwood, Alaska · Birchwood · map
- Type
- Accident
- Injuries
- 1 person had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 170B · all 170Bs on the register
- Registration
- N3132B · registry record · serial 25374
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PLT STATED HE MADE AN ENG RUN-UP WITH THE FUEL SELECTOR IN THE LEFT TANK POSITION, THEN HE MOVED THE SELECTOR TO USE THE RIGHT TANK FOR TAKEOFF. DURING TAKEOFF, THE ACFT CLIMBED APRX 200 TO 300 FT AGL, THEN THE ENG LOST POWER. SUBSEQUENTLY, THE ACFT WAS DAMAGED DURING AN EMERGENCY LANDING IN A SWAMP/MUD FLAT. NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE ACFT OR ENG WAS FOUND. THE PLT RPRTD THAT WHEN HE TOUCHED THE FUEL SELECTOR HANDLE, DURING THE EMERGENCY RESTART PROCEDURE, HE FELT THE SELECTOR GO INTO THE RIGHT DETENT POSITION.
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: 68 hours in all; 13 in this make and model; 38 in the last 90 days; 22 in the last 30 days; 29 as pilot in command
- Medical certificate: Class 3 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 3,370 hours
- Last inspection: annual inspection, August 20, 1988; 34 hours since
- Maximum gross weight: 2,200 lb
- Seats: 4
- Landing gear: fixed
- Engine: Continental C-145 (piston); 0 hours total
The flight
- Departed from: Z15 at 7:02 pm
- Flight plan: none
- Runway 19, 4,000 ft by 100 ft
Weather at the time
- Light: daylight
- Visibility: 30 statute miles
- Sky: clear
- Temperature: 55°F (13°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
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.