# NTSB DEN76DTC10: Cessna 180, N3657C, Wheatland, WY, August 6, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 6, 1975
- Place: Wheatland, WY · WHEATLAND, WY
- Location: 42.0517° N, 104.9595° W: Placed by OpenAirDocs: center of Wheatland, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0517&lon=-104.9595&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 4, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150290
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN76DTC10
- Page: https://openairdocs.org/ntsb/DEN76DTC10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2184   75/8/6    WHEATLAND,WY        CESSNA 180          CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 33, 283
        TIME - 1900                    N3657C              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 38 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - PHIFER
        DEPARTURE POINT             INTENDED DESTINATION
          WHEATLAND,WY                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        REMARKS- SPRING LDG GEAR,#0741001-1,SER B665,BROKE OUTSIDE RETAINER WEDGE.NOTCH EFFECT ORIGINATED FATIGUE.
```

## Aircraft

- Registration: [N3657C](https://openairdocs.org/deregistered/N3657C-2012-10-09), registration cancelled 2012-10-09, S/N 31155, built 1954 (OpenAirDocs)
- Reported make and model: CESSNA 180
- Registry model: [Cessna 180](https://openairdocs.org/model/cessna-180) (registry code 2072602) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Phifer

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19750806023659A](https://openairdocs.org/incident/19750806023659A), Aug 6, 1975: Cessna 180, Wheatland, WY, Substantial damage. Spring ldg gear,#0741001-1,ser B665,broke outside retainer wedge. Notch effect originated fatigue.

## Other investigations on N3657C (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 ANC85LA175](https://openairdocs.org/ntsb/ANC85LA175), Sep 9, 1985: Cessna 180 (N3657C), Farewell, AK, substantial damage
- [NTSB DEN73FTC27](https://openairdocs.org/ntsb/DEN73FTC27), Jun 12, 1973: Cessna 180 (N3657C), Kemmerer, WY, 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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