# NTSB CHI66D0750: Piper PA-24, N7799P, Adrian, MI, May 14, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 14, 1966
- Place: Adrian, MI · ADRIAN, MI
- Location: 41.8988° N, 84.0448° W: Placed by OpenAirDocs: center of Adrian, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.8988&lon=-84.0448&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report June 29, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 172240
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI66D0750
- Page: https://openairdocs.org/ntsb/CHI66D0750

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1105  66/5/14  NR.ADRIAN MICH        PIPER PA-24         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 43, 470
        TIME - 1130                    N7799P              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 250 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NUMBER 1 CYLINDER EXHAUST VALVE FAILED.
```

## Aircraft

- Registration: N7799P (not matched to a registry record)
- Reported make and model: PIPER PA-24
- Category: Airplane
- Engines: reciprocating
- Damage: 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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