# NTSB FTW74FPJ01: Piper PA-25, N6197Z, Tonkawa, OK, July 11, 1973

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 11, 1973
- Place: Tonkawa, OK · TONKAWA, OK
- Location: 36.6705° N, 97.3150° W: Placed by OpenAirDocs: center of Tonkawa, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.6705&lon=-97.3150&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report August 20, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189737
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW74FPJ01
- Page: https://openairdocs.org/ntsb/FTW74FPJ01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1655  73/7/11    TONKAWA,OKLA        PIPER PA-25         CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 32, 750
        TIME - 0815                    N6197Z              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - KEN RICHARD KREGE
        DEPARTURE POINT             INTENDED DESTINATION
          TONKAWA,OKLA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SPONTANEOUS-IMPROPER ACTION
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS - ANIMAL(S) ON RUNWAY/TAXIWAY/RAMP
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - UNKNOWN/NOT REPORTED                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 CRASH HELMET - NOT AVAILABLE
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
         FIRE AFTER IMPACT
        REMARKS- CALF RAN ONTO RWY.PLT REDUCED PWR & DUMPED LOAD,THEN CONT TKOF.HIT PWR LINE 25FT AGL.RWY EDGE CLR.
```

## Aircraft

- Registration: [N6197Z](https://openairdocs.org/deregistered/N6197Z-1973-10-01), registration cancelled 1973-10-01, S/N 25-231 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25](https://openairdocs.org/model/piper-pa-25) (registry code 7102502) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Ken Richard Krege

## 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 19730711020839A](https://openairdocs.org/incident/19730711020839A), Jul 11, 1973: Piper PA25235, Tonkawa, OK, Destroyed. Calf ran onto rwy. Plt reduced pwr & dumped load,then cont tkof. Hit pwr line 25FT AGL.rwy edge clr.

## Other investigations on N6197Z (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 FTW73DPJ19](https://openairdocs.org/ntsb/FTW73DPJ19), May 17, 1973: Piper PA-25 (N6197Z), Tonkawa, OK, 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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