Mitchell T-10R263 accident near Mckinney, Texas, September 22, 1984
On September 22, 1984 at about 1:30 pm local time, a Mitchell T-10R263 (ultralight), registered UNREG, was destroyed in an accident near Mckinney, Texas (Aero-Country airport). It was an instructional flight under ultralight rules (Part 103). 2 people were killed. The weather was instrument conditions (cloud, fog or low visibility).
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
- September 22, 1984 · about 1:30 pm local time
- Place
- Mckinney, Texas · Aero-Country · map
- Type
- Accident
- Injuries
- 2 people were killed.
- Weather
- instrument conditions (cloud, fog or low visibility)
- Aircraft
- Mitchell T-10R263
- Registration
- UNREG · no longer on the register · serial 00116T20
- Damage
- Destroyed
- Flight
- Instructional flight · ultralight rules (Part 103)
The NTSB's narrative final · quoted from the NTSB record
ACCORDING TO A PERSON WHO HELPED ASSEMBLE THE ULTRALIGHT VEHICLE FOR FLT, THE BASE OF THE CLOUDS WERE AT ABOUT 200 FT AGL, WHEN THE PLT TOOK OFF. THE HELPER EXPECTED THE PLT TO RETURN & LAND DUE TO THE WX; HOWEVER, THE VEHICLE CRASHED IN A WOODED AREA. THERE WAS EVIDENCE THAT IT CRASHED WHILE FALLING VERTICALLY IN A WINGS LEVEL ATTITUDE & MOVING REARWARD. FLT CONTROL CONTINUITY WAS VERIFIED & ALL 3 PROP BLADES EXHIBITED ROTATIONAL DAMAGE. THE THROTTLE CONTROL CABLE WAS FOUND DISCONNECTED FROM THE CARBURETOR. THE CARBURETOR WAS DISASSEMBLED & THE CABLE'S SWAGED END FITTING WAS FOUND LYING LOOSE IN THE BODY OF THE CARBURETOR. WITH THE SWAGED END OFF OF THE CABLE, THE ENG WOULD HAVE GONE TO IDLE POWER. NO EVIDENCE WAS FOUND TO SHOW THAT THE CABLE WAS FORCIBLY PULLED LOOSE. APRX 45 MI SOUTH A DALLAS, TX, THE 0748 CDT WX WAS: 300 FT SCATTERED, 900 FT BROKEN, VISIBILITY 6 MI WITH FOG & DRIZZLE, WIND CALM.
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
- Ratings: single-engine land
- Medical certificate: Unknown
- Seat: left
The aircraft
- Last inspection: inspection type not recorded
- Maximum gross weight: 750 lb
- Seats: 2
- Landing gear: fixed
- Engine: Kawasaki TA440 (piston); 0 hours total
The flight
- Departed from: TX05 Mckinney TX at 1:15 pm
- Flight plan: none
- Runway 0
- A second pilot was aboard
Weather at the time
- Light: daylight
- Visibility: 6 statute miles
- Sky: broken clouds; scat at 200 ft
- Temperature: 73°F (23°C), dew point 70°F (21°C)
- Altimeter: 29.00 inHg
- Observation at 12:48 pm from DAL, 45 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 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.
Other NTSB records under UNREG the same tail number, which may have belonged to a different aircraft at the time
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.