# NTSB UNK64X1494: Piper PA25, N6407Z, Terrell, TX, April 28, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 28, 1964
- Place: Terrell, TX · TERRELL, TX
- Location: 32.7360° N, 96.2753° W: Placed by OpenAirDocs: center of Terrell, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.7360&lon=-96.2753&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 15, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184429
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1494
- Page: https://openairdocs.org/ntsb/UNK64X1494

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1063  64/4/28    TERRELL TEX         PIPER PA25          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1800                    N6407Z              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 49, 10000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 252 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 7000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  ELEVATION-AREA BEING TREATED-FEET -  500
        REMARKS- SHOCK STRUT FAILED AT LOWER END WELD
```

## Aircraft

- Registration: [N6407Z](https://openairdocs.org/deregistered/N6407Z-1978-07-07), registration cancelled 1978-07-07, S/N 25-542 (OpenAirDocs)
- Reported make and model: PIPER PA25
- Registry model: [Piper PA-25](https://openairdocs.org/model/piper-pa-25) (registry code 7102502) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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.

---
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.