# NTSB DEN68D0024: Piper PA-18, N3675P, Walden, CO, July 11, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 11, 1967
- 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: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 16, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 115526
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN68D0024
- Page: https://openairdocs.org/ntsb/DEN68D0024

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2421  67/7/11    WALDEN,COLO         PIPER PA-18         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 42, 3257
        TIME - 0820                    N3675P              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 520 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - JACKSON COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
        FACTOR(S)
           WEATHER - LOCAL WHIRLWIND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  800                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - MESQUITE                                  TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY
```

## 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 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
- Airport: Jackson County

## 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 UNK64X2245](https://openairdocs.org/ntsb/UNK64X2245), Jun 12, 1964: Piper PA18 (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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