Piper PA-18 accident near Yuki River, Alaska, August 23, 1985
On August 23, 1985 at about 5:50 am local time, a Piper PA-18, registered N83545, was substantially damaged in an accident near Yuki River, Alaska. It was a personal 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 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
- August 23, 1985 · about 5:50 am local time
- Place
- Yuki River, Alaska
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Piper PA-18 · all PA-18s on the register
- Registration
- N83545 · registry record · serial 187709072
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
DURING A NORMAL CRUISE THE AIRCRAFT ENGINE QUIT. THE PILOT ATTEMPTED A EMERGENCY LANDING ON THE YUKI RIVER. DURING THE EXAMINATION OF THE AIRCRAFT ENGINE NO MECHANICAL FAILURE OR MALFUNCTION WAS NOTED. WATER WAS LOCATED IN BOTH THE FUEL TANKS AND FUEL LINES.
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; instructor: airplane single-engine
- Flight time: 145 hours in all; 44 in this make and model; 35 in the last 90 days; 15 in the last 30 days; 92 as pilot in command
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: frt
The aircraft
- Airframe total time: 800 hours
- Last inspection: annual inspection, April 16, 1985; 90 hours since
- Maximum gross weight: 1,750 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming O-320 (piston); 0 hours total
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: night, bright
- Wind: from 210° at 10 knots
- Visibility: 60 statute miles
- Sky: clear
- Temperature: 61°F (16°C), dew point 30°F (-1°C)
- Altimeter: 30.00 inHg
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 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.