Amateur-built WINDROSE accident near Norman, Oklahoma, November 25, 1989
On November 25, 1989 at about 8:10 pm local time, a amateur-built WINDROSE (glider), registered N7010L, was destroyed in an accident near Norman, Oklahoma. It was a personal flight under general aviation rules (Part 91). 1 person was killed. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE INADVERTENT STALL AND THE PILOT'S IMPROPER EMERGENCY RECOVERY PROCEDURES. A FACTOR WAS THE POWER LOSS FOR UNDETERMINED REASONS.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- November 25, 1989 · about 8:10 pm local time
- Place
- Norman, Oklahoma
- Type
- Accident
- Injuries
- 1 person was killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Amateur-built WINDROSE
- Registration
- N7010L · registry record · serial 96
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: private
- Ratings: rotorcraft: glider
- Flight time: 41 hours in all; 1 in this make and model; 3 in the last 90 days; 1 in the last 30 days; 36 as pilot in command
- Medical certificate: None
- Seat: ctr
The aircraft
- Airframe total time: 3 hours
- Last inspection: inspection type not recorded, September 9, 1988; 3 hours since
- Maximum gross weight: 724 lb
- Seats: 1
- Landing gear: fixed
- Engine: Cuyuna UL-II-2 (piston); 0 hours total
The flight
- Departed from: OK14 Norman OK
- Destination: OK14 Norman OK
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Sky: clear
- Temperature: 64°F (18°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
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.