# NTSB UNK64X1697: Piper PA25, N6623Z, Krum, TX, May 10, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 10, 1964
- Place: Krum, TX · KRUM, TX
- Location: 33.2650° N, 97.2250° W: Placed by OpenAirDocs: center of Krum, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.2650&lon=-97.2250&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 21, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 183887
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1697
- Page: https://openairdocs.org/ntsb/UNK64X1697

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1229  64/5/10    KRUM TEX            PIPER PA25          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 36, 6000
        TIME - 1530                    N6623Z              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1700 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: STARTING SWATH RUN
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - WATER IN FUEL
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              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 - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  ELEVATION-AREA BEING TREATED-FEET -  *ERROR-INVALID CODE*
          SWATH RUN-HOW FLOWN - UPWIND
```

## Aircraft

- Registration: [N6623Z](https://openairdocs.org/deregistered/N6623Z-1981-07-22), registration cancelled 1981-07-22, S/N 25-2201 (OpenAirDocs)
- Reported make and model: PIPER PA25
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## Other investigations on N6623Z (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 FTW74FQG24](https://openairdocs.org/ntsb/FTW74FQG24), Oct 25, 1973: Piper PA-25 (N6623Z), Sylvester, TX, substantial damage
- [NTSB FTW74DQG10](https://openairdocs.org/ntsb/FTW74DQG10), Aug 16, 1973: Piper PA-25 (N6623Z), Roby, 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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