# NTSB UNK64X2527: Piper PA18A, N7797B, Sinton, TX, June 27, 1964

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 27, 1964
- Place: Sinton, TX · SINTON, TX
- Location: 28.0372° N, 97.5015° W: Placed by OpenAirDocs: center of Sinton, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=28.0372&lon=-97.5015&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report February 4, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 183513
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2527
- Page: https://openairdocs.org/ntsb/UNK64X2527

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0220  64/6/27    SINTON TEX          PIPER PA18A         CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 33, 637
        TIME - 1400                    N7797B              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 30 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: STARTING SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   10                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             ELEVATION-AREA BEING TREATED-FEET -  50
          SWATH RUN-HOW FLOWN - WIND CALM                          PROCEDURE TURNAROUND - FIRST 1/3 TURN
```

## Aircraft

- Registration: [N7797B](https://openairdocs.org/aircraft/N7797B), registered now, S/N 18-4449, built 1955 (OpenAirDocs)
- Reported make and model: PIPER PA18A
- Registry model: [Piper PA-18A](https://openairdocs.org/model/piper-pa-18a) (registry code 7101804) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## Other investigations on N7797B (2)

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 ANC96LA124](https://openairdocs.org/ntsb/ANC96LA124), Aug 14, 1996: Piper PA-18 (N7797B), Skwentna, AK, substantial damage. Probable cause: An engine failure due to an eroded engine piston. Factors in the accident were unsuitable terrain for a forced landing and improperly timed magnetos.
- [NTSB ANC96LA170](https://openairdocs.org/ntsb/ANC96LA170), Jan 22, 1996: Piper PA-18 (N7797B), Skwentna, AK, substantial damage. Probable cause: The pilot's selection of an unsuitable site for landing. A factor associated with the accident is the snow-covered terrain.

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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