Champion 7KCAB accident near Chattanooga, Oklahoma, July 20, 1985
On July 20, 1985 at about 7:45 pm local time, a Champion 7KCAB, registered N1642G, was substantially damaged in an accident near Chattanooga, Oklahoma (Chattanooga Sky Harbor airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was 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
- July 20, 1985 · about 7:45 pm local time
- Place
- Chattanooga, Oklahoma · Chattanooga Sky Harbor · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Champion 7KCAB · all 7KCABs on the register
- Registration
- N1642G · registry record · serial 169
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PLT LOST DIRECTIONAL CONTROL WHILE LANDING IN A CROSSWIND AND THE ACFT GROUND LOOPED AFTER THE LEFT MAIN LANDING GEAR CONTACTED SOFT TERRAIN ALONGSIDE OF THE RUNWAY. THE NEAREST OFFICIAL AVIATION WEATHER REPORTING STATION WAS AT LAWTON, OK, LOCATED 16 MILES NORTHEAST OF THE ACCIDENT SITE.THEIR WIND AT THE TIME OF THE ACCIDENT WAS FROM 150 DEGS AT 7 KTS. THE PLT LANDED ON RWY 17.
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; instrument: airplane
- Flight time: 378 hours in all; 18 in this make and model
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: frt
The aircraft
- Airframe total time: 775 hours
- Last inspection: 100-hour inspection; 24 hours since
- Maximum gross weight: 1,650 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming IO-320 (piston); 0 hours total
- Operator: Lawton Flying Club
The flight
- Departed from: 92F Chattanooga OK
- Flight plan: none
- Runway 17, 3,400 ft by 60 ft
Weather at the time
- Light: daylight
- Wind: from 270° at 10 knots, gusting 10
- Visibility: 12 statute miles
- Sky: scat at 7,000 ft
- Temperature: 95°F (35°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
- Observation at 2:47 pm from LAW
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.