# NTSB UNK64X2245: Piper PA18, N3675P, Walden, CO, June 12, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 12, 1964
- Place: Walden, CO · WALDEN, CO
- Location: 40.7316° N, 106.2813° W: Placed by OpenAirDocs: center of Walden, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7316&lon=-106.2813&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 1, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 183317
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2245
- Page: https://openairdocs.org/ntsb/UNK64X2245

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1628  64/6/12    WALDEN COLO         PIPER PA18          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 38, 4000
        TIME - 0930                    N3675P              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 2500 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: CLEANUP SWATH
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  500                       KIND OF OPERATION - OTHER
          KIND OF CROP - SAGE                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - OTHER                             ELEVATION-AREA BEING TREATED-FEET -  8400
```

## Aircraft

- Registration: [N3675P](https://openairdocs.org/deregistered/N3675P-2018-03-12), registration cancelled 2018-03-12, S/N 18-4574, built 1955 (OpenAirDocs)
- Reported make and model: PIPER PA18
- 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 N3675P (4)

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 ANC15FA062](https://openairdocs.org/ntsb/ANC15FA062), Aug 7, 2015: Piper PA 18-150 (N3675P), Chugiak, AK, substantial damage, 2 fatal. Probable cause: The loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any mechanical malfunctions or failures that would have…
- [NTSB ANC99LA094](https://openairdocs.org/ntsb/ANC99LA094), Jul 19, 1999: Piper PA-18 (N3675P), Teller, AK, substantial damage. Probable cause: The pilot's improper starting procedure.
- [NTSB ANC83LA020](https://openairdocs.org/ntsb/ANC83LA020), Nov 30, 1982: Piper PA-18-150 (N3675P), Brevig Mission, AK, substantial damage
- [NTSB DEN68D0024](https://openairdocs.org/ntsb/DEN68D0024), Jul 11, 1967: Piper PA-18 (N3675P), Walden, CO, 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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