Cessna 207A accident near Kongiganak, Alaska, July 23, 1988
On July 23, 1988 at about 6:05 pm local time, a Cessna 207A, registered N1773U, was substantially damaged in an accident near Kongiganak, Alaska (Kongiganak, Ak airport). It was a flight of an unrecorded kind under charter and air-taxi rules (Part 135). 1 person was seriously injured and 3 people had minor injuries; 2 others were 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
- July 23, 1988 · about 6:05 pm local time
- Place
- Kongiganak, Alaska · Kongiganak, Ak · map
- Type
- Accident
- Injuries
- 1 person was seriously injured and 3 people had minor injuries; 2 others were unhurt.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 207A · all 207As on the register
- Registration
- N1773U · no longer on the register · serial 20700373
- 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 AIRCRAFT TOUCHED DOWN APPROXIMATELY 2/3 OF THE WAY DOWN THE RUNWAY. DURING THE LDG ROLL, AIRCRAFT HIT A RUT ON THE RUNWAY. THE PLANE NOSED OVER AND CAME TO REST ON ITS BACK, OFF THE DEPARTURE END OF THE RWY. THE FAA FLT INFO PUBLICATION STATES THAT THIS ARPT'S RWY IS UNUSABLE AFTER HEAVY RAIN AND SHOULD BE INSPECTED PRIOR TO USE. THE AIRPORT IS NOT ATTENDED.
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: single-engine land; instrument: airplane
- Flight time: 2,000 hours in all; 300 in this make and model; 375 in the last 90 days; 125 in the last 30 days; 1,800 as pilot in command
- Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 5,186 hours
- Last inspection: 100-hour inspection, July 21, 1988; 10 hours since
- Maximum gross weight: 3,800 lb
- Seats: 7
- Landing gear: fixed
- Engine: Continental IO-520 (piston); 0 hours total
- Operator: Armstrong Air Serv.
The flight
- Departed from: KNW New Stuyahok AK at 12:30 pm
- Runway 0, 2,140 ft by 90 ft
Weather at the time
- Light: daylight
- Visibility: 40 statute miles
- Sky: broken clouds at 2,000 ft; not recorded
- Temperature: 55°F (13°C), dew point 50°F (10°C)
- Altimeter: 29.00 inHg
- Observation at 10:05 am
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 | 2 | 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.