# NTSB MKC65A0079: Piper PA-18, N4055Z, Modoc, KS, June 26, 1965

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 26, 1965
- Place: Modoc, KS · MODOC, KS
- Location: 38.4870° N, 101.0818° W: Placed by OpenAirDocs: center of Modoc, KS, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.4870&lon=-101.0818&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report October 8, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 178192
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC65A0079
- Page: https://openairdocs.org/ntsb/MKC65A0079

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0459  65/6/26  NR.MODOC KANS         PIPER PA-18         CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 39, 900
        TIME - 0909                    N4055Z              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 15 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: STARTING SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           MISCELLANEOUS ACTS,CONDITIONS - ALCOHOLIC IMPAIRMENT OF EFFICIENCY AND JUDGMENT
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   15                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  3000                SWATH RUN-HOW FLOWN - CROSSWIND
```

## Aircraft

- Registration: [N4055Z](https://openairdocs.org/aircraft/N4055Z), registered now, S/N 18-8060 (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: Destroyed

## Other investigations on N4055Z (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 DEN06LA011](https://openairdocs.org/ntsb/DEN06LA011), Oct 26, 2005: Piper PA-18-150 (N4055Z), Cortez, CO, substantial damage. Probable cause: the pilot's failure to maintain directional control of the airplane, resulting in a ground loop. Contributing factors were the excessive descent rate, the obstacle (horse), the high density altitude,…
- [NTSB ANC97LA039](https://openairdocs.org/ntsb/ANC97LA039), Mar 27, 1997: Piper PA-18 (N4055Z), Chugiak, AK, substantial damage. Probable cause: the pilot's selection of an unsuitable landing site.

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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