# NTSB DEN65A0058: Piper PA-24, Cheyenne, WY, February 27, 1965

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: February 27, 1965
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report September 10, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 179726
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN65A0058
- Page: https://openairdocs.org/ntsb/DEN65A0058

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
E-0007  65/2/27  NR.CHEYENNE WYO       PIPER PA-24         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 54, 1361
        TIME - 0835                    CF MGL              PX-  1  0  0  BUSINESS                  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           STALL                                                    LANDING: TRAFFIC PATTERN-CIRCLING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED MECHANICAL DISCREPANCY
                                  PROP/ENGINE VIBRATION
        REMARKS- FAILURE OF THE NO.FOUR EXHAUST VALVE HYDRAULIC TAPPET AT HEAD.
```

## Aircraft

- Registration: CF MGL (not matched to a registry record)
- Reported make and model: PIPER PA-24
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Cheyenne

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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