# NTSB MKC72FCQ15: Piper PA-18, N4328Z, Johnson, KS, July 29, 1971

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 29, 1971
- Place: Johnson, KS · JOHNSON, KS
- Location: 37.5706° N, 101.7510° W: Placed by OpenAirDocs: center of Johnson, KS, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.5706&lon=-101.7510&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report March 17, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 162899
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72FCQ15
- Page: https://openairdocs.org/ntsb/MKC72FCQ15

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2868  71/7/29    JOHNSON,KANS        PIPER PA-18         CR-  0  1  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0930                    N4328Z              PX-  0  0  0  AERIAL APPLICATION        AGE 33, 3864 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            190 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          JOHNSON,KANS                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3737                       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-NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - AFT OF PILOT                      TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  3330                SWATH RUN-HOW FLOWN - UPWIND
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
```

## Aircraft

- Registration: [N4328Z](https://openairdocs.org/aircraft/N4328Z), registered now, S/N 18-8646, built 1968 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N4328Z (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 ANC79DAA37](https://openairdocs.org/ntsb/ANC79DAA37), Sep 23, 1979: Piper PA-18 (N4328Z), Tanana, AK, 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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