# NTSB DEN78FTC20: Piper PA-34, N6646F, Cheyenne, WY, April 4, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 4, 1978
- Place: Cheyenne, WY · CHEYENNE, WY
- Location: 41.1400° N, 104.8202° W: Placed by OpenAirDocs: center of Cheyenne, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.1400&lon=-104.8202&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 2, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142200
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN78FTC20
- Page: https://openairdocs.org/ntsb/DEN78FTC20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0812   78/4/4    CHEYENNE,WY         PIPER PA-34         CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1025                    N6646F              PX-  0  0  1  CORP/EXEC                 31, 3628 TOTAL HOURS, 275
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CHEYENNE MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          RAPID CITY,SD               CHEYENNE,WY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           TAXI: FROM LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADVERTENTLY RETRACTED GEAR
```

## Aircraft

- Registration: [N6646F](https://openairdocs.org/deregistered/N6646F-2008-07-08), registration cancelled 2008-07-08, S/N 34-7770033, built 1976 (OpenAirDocs)
- Reported make and model: PIPER PA-34
- Registry model: [Piper PA-34-200T](https://openairdocs.org/model/piper-pa-34-200t) (registry code 7103406) (OpenAirDocs)
- Registry engine: [Continental TSIO-360 series](https://openairdocs.org/engine/continental-tsio-360-series) (registry code 17019, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Cheyenne Muni

## 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 19780404008299A](https://openairdocs.org/incident/19780404008299A), Apr 4, 1978: Piper PA34200, Cheyenne, 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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