# NTSB UNK64X1950: Piper PA-18, N3494Z, Byers, CO, May 25, 1964

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 25, 1964
- Place: Byers, CO · BYERS, CO
- Location: 39.7094° N, 104.2128° W: Placed by OpenAirDocs: center of Byers, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.7094&lon=-104.2128&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report September 24, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 183717
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1950
- Page: https://openairdocs.org/ntsb/UNK64X1950

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1423  64/5/25    BYERS COLO          PIPER PA-18         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 41, 5300
        TIME - 0743                    N3494Z              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 85 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: STARTING SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
         SPECIAL DATA
          KIND OF OPERATION - SPRAYING CROPS                       KIND OF CROP - TOMATOES
          TYPE OF CHEMICAL USED - UNKNOWN/NOT REPORTED             PILOT' S SEAT BELT -*ERROR-INVALID CODE*
          TANK/HOPPER-LOCATION - UNKNOWN/NOT REPORTED              TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  500                 SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
```

## Aircraft

- Registration: [N3494Z](https://openairdocs.org/deregistered/N3494Z-1970-06-22), registration cancelled 1970-06-22, S/N 18-7335 (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)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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