# NTSB FTW79FPA12: Thorp TA-18, N199S, Allen, TX, March 11, 1979

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: March 11, 1979
- Place: Allen, TX · ALLEN, TX
- Location: 33.1072° N, 96.6747° W: Placed by OpenAirDocs: center of Allen, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.1072&lon=-96.6747&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report April 30, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 137519
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW79FPA12
- Page: https://openairdocs.org/ntsb/FTW79FPA12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0496  79/3/11    ALLEN,TX            THORP TA-18         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 62, 1236
        TIME - 1640                    N199S               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 620 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - KITTY HAWK
        DEPARTURE POINT             INTENDED DESTINATION
          ALLEN,TX                    DALLAS,TX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        REMARKS- PILOT MADE DOWNWIND TURN AT LOW ALTITUDE AND AIRSPEED
```

## Aircraft

- Registration: [N199S](https://openairdocs.org/deregistered/N199S-1980-09-23), registration cancelled 1980-09-23, S/N 5, built 1974 (OpenAirDocs)
- Reported make and model: THORP TA-18
- Registry model: [Clardy THORP T-18](https://openairdocs.org/model/clardy-thorp-t-18) (registry code 8951052) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Kitty Hawk

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19790311004539A](https://openairdocs.org/incident/19790311004539A), Mar 11, 1979: Amtrth THORPT18, Allen, TX, Destroyed. Aircraft made right turn after takeoff and descended into the ground after 180 degree turn. Cause unknown.

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.

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