# NTSB FTW84FU009: Mitchell T-10R263, Mckinney, TX, September 22, 1984

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Final report
- Date: September 22, 1984, 08:30 local (13:30 UTC)
- Place: Mckinney, TX
- Coordinates: 33.179512, -96.589073 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=33.1795&lon=-96.5891&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21158
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW84FU009
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21158/pdf
- Page: https://openairdocs.org/ntsb/FTW84FU009

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power(partial) - mech failure/malf, maneuvering
  - throttle/power lever,cable - disconnected (cause)
  - maintenance,installation - improper, other maintenance personnel (cause)
- Forced landing, maneuvering
- Loss of control - in flight, maneuvering
  - weather condition - low ceiling (contributing factor)
  - weather condition - rain (contributing factor)
  - airspeed - not maintained, pilot in command (cause)
  - stall - inadvertent, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

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.

## Aircraft

- Registration: UNREG (not matched to a registry record)
- Reported make and model: Mitchell T-10R263
- Category: Ultralight
- Serial number: 00116T20
- Engines: KAWASAKI TA440 36 horsepower reciprocating
- Damage: Destroyed
- Flight: Instructional, Part 103
- Registered owner: Mitchell Wing
- Departed: TX05, MCKINNEY, TX
- Airport: TX05, Aero-Country

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; airplane ratings: single-engine land; medical: unknown; seat: left

## Weather

- Conditions: Instrument (IMC), Day
- Wind: calm
- Visibility: 6 statute miles
- Temperature: 73 °F, dew point 70 °F
- Altimeter: 29.00 inHg
- Observed at: DAL, 45 nm away

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.