# NTSB FTW79DRG46: Sportaire, N77BT, San Antonio, TX, July 16, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 16, 1979
- Place: San Antonio, TX · SAN ANTONIO, TX
- Location: 29.4241° N, 98.4936° W: Placed by OpenAirDocs: center of San Antonio, TX, within about 13 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.4241&lon=-98.4936&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 7, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135232
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW79DRG46
- Page: https://openairdocs.org/ntsb/FTW79DRG46

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1703  79/7/16    SAN ANTONIO,TX      SPORTAIRE           CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 60, 837
        TIME - 1025                    N77BT               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - STINSON FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          PLEASANTON,TX               SAN ANTONIO,TX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           TERRAIN - HIGH VEGETATION
           TERRAIN - HIDDEN OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- GRASS SUN FLOWERS.
```

## Aircraft

- Registration: [N77BT](https://openairdocs.org/deregistered/N77BT-1982-09-30), registration cancelled 1982-09-30, S/N 1 (OpenAirDocs)
- Reported make and model: SPORTAIRE
- Registry model: [Tillery SPORT AIRE II](https://openairdocs.org/model/tillery-sport-aire-ii) (registry code 05611C3) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Stinson Field

## 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 19790716019259A](https://openairdocs.org/incident/19790716019259A), Jul 16, 1979: Amtrtn SPORTAIRE2, San Antonio, TX, Substantial damage. Engine stopped during normal cruise. Landed in field,hit ditch. Factors fuel cell venting problem,possible carb ice

## Other investigations on N77BT (1)

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.

- [NTSB FTW76DRA14](https://openairdocs.org/ntsb/FTW76DRA14), Oct 21, 1975: Sport Aire II (N77BT), Yoakum, TX, substantial damage

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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