# NTSB FTW74FPD02: Grumman G-164, N648U, De Leon, TX, July 20, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 20, 1973
- Place: De Leon, TX · DE LEON, TX
- Location: 32.1114° N, 98.5352° W: Placed by OpenAirDocs: center of De Leon, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.1114&lon=-98.5352&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 20, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189751
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW74FPD02
- Page: https://openairdocs.org/ntsb/FTW74FPD02

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1684  73/7/20    DE LEON,TEX         GRUMMAN G-164       CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0930                    N648U               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 41, 3500 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            90 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - DE LEON MUNICIPAL
        DEPARTURE POINT             INTENDED DESTINATION
          DE LEON,TEX                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           AIRFRAME - LANDING GEAR: WHEELS,TIRES,AXLES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - BURST
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  700                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- RIGHT MLG TIRE RUPTURED UPON LANDING TOUCHDOWN.
```

## Aircraft

- Registration: [N648U](https://openairdocs.org/deregistered/N648U-2012-10-01), registration cancelled 2012-10-01, S/N 384 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164
- Registry model: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: De Leon Municipal

## 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 19730720021479A](https://openairdocs.org/incident/19730720021479A), Jul 20, 1973: Grumav G164, De Leon, TX, Substantial damage. Right MLG tire ruptured upon landing touchdown.

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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