# NTSB NYC71FHA23: Piper PA-23, N4542P, Doylestown, PA, November 30, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: November 30, 1970
- Place: Doylestown, PA · DOYLESTOWN, PA
- Location: 40.3142° N, 75.1277° W: Placed by OpenAirDocs: center of Doylestown, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.3142&lon=-75.1277&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report March 22, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 159293
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC71FHA23
- Page: https://openairdocs.org/ntsb/NYC71FHA23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2406  70/11/30   DOYLESTOWN,PA       PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 50, 600
        TIME - 1330                    N4542P              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 400 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CENTRAL BUCKS
        DEPARTURE POINT             INTENDED DESTINATION
          RICHMOND,VA                 DOYLESTOWN,PA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: FINAL APPROACH
           COLLIDED WITH: TREES                                     LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE CONTROLS: THROTTLE-POWER LEVER ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-2 ENGINES
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENG CTLS MOUNT BRACKET ASSY FAILED AT PEDESTAL. UPPER PORTION ENG CTLS BLOCK NOT INSTALLED.
```

## Aircraft

- Registration: [N4542P](https://openairdocs.org/deregistered/N4542P-1971-01-28), registration cancelled 1971-01-28, S/N 27-47 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (registry code 7102308) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Central Bucks

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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