Cessna 207 accident near Koliganek, Alaska, November 20, 1984
On November 20, 1984 at about 7:45 pm local time, a Cessna 207, registered N1606U, was substantially damaged in an accident near Koliganek, Alaska. It was a flight of an unrecorded kind under charter and air-taxi rules (Part 135). 2 people had minor injuries; 1 other was unhurt. 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
- November 20, 1984 · about 7:45 pm local time
- Place
- Koliganek, Alaska · map
- Type
- Accident
- Injuries
- 2 people had minor injuries; 1 other was unhurt.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 207 · all 207s on the register
- Registration
- N1606U · registry record · serial 20700296
- Damage
- Substantial damage
- Flight
- Flight of an unrecorded kind · charter and air-taxi rules (Part 135)
The NTSB's narrative final · quoted from the NTSB record
THE ACFT CRASHED WHEN IT FAILED TO BECOME AIRBORNE DURING THE TAKEOFF RUN. THE PLT & WITNESSES AGREED THAT SNOW WAS NOT REMOVED FROM THE ACFT PRIOR TO DEPARTURE.
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; instructor: airplane single-engine; instrument: airplane
- Flight time: 2,915 hours in all; 500 in this make and model; 245 in the last 90 days; 2,745 as pilot in command
- Medical certificate: Class 1 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 11,074 hours
- Last inspection: 100-hour inspection, May 1, 1984; 84 hours since
- Maximum gross weight: 3,800 lb
- Seats: 7
- Landing gear: fixed
- Engine: Continental IO-520-F13 (piston); 0 hours total
The flight
- Departed from: KGK Koliganek AK
- Destination: DLG Dillingham AK
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 040° at 10 knots
- Visibility: 5 statute miles
- Sky: overcast at 1,000 ft; not recorded
- Temperature: 30°F (-1°C), dew point 0°F (-18°C)
- Observation at 3:45 pm
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.