# NTSB DEN68D0257: Piper PA-18, N4174Z, Byers, CO, April 30, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 30, 1968
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 18, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 110813
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN68D0257
- Page: https://openairdocs.org/ntsb/DEN68D0257

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1176  68/4/30  NR.BYERS,COLO         PIPER PA-18         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1145                    N4174Z              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 54, 14000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 800 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: EN ROUTE TO RELOADING AREA
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9999                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  5280                SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- PLT STATED HE WAS BOTHERED BY FUMES FROM SPRAY BEING DISPENSED.AFFECT ON PLT NOT SUBSTANTIATED.
```

## Aircraft

- Registration: [N4174Z](https://openairdocs.org/deregistered/N4174Z-1972-04-29), registration cancelled 1972-04-29, S/N 18-8352 (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: Substantial damage

## Other investigations on N4174Z (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 MKC70F0089](https://openairdocs.org/ntsb/MKC70F0089), Jul 13, 1969: Piper PA-18 (N4174Z), Gove, KS, 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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