# NTSB LAX72FUA04: Piper PA-20, N7647K, Buena Park, CA, July 25, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 25, 1971
- Place: Buena Park, CA · BUENA PARK, CA
- Location: 33.8574° N, 118.0074° W: Placed by OpenAirDocs: center of Buena Park, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.8574&lon=-118.0074&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 15, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 162953
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX72FUA04
- Page: https://openairdocs.org/ntsb/LAX72FUA04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2842  71/7/25    BUENA PARK,CALIF    PIPER PA-20         CR-  0  0  2  INSTRUCTIONAL             AIRLINE TRANSPORT, AGE
        TIME - 1120                    N7647K              PX-  0  0  0  DUAL                      55, 14392 TOTAL HOURS, 23
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - FULLERTON
        DEPARTURE POINT             INTENDED DESTINATION
          FULLERTON,CALIF             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: TRAFFIC PATTERN-CIRCLING
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - EXHAUST SYSTEM: MUFFLERS
           MISCELLANEOUS ACTS,CONDITIONS - CORRODED/CORROSION
           MISCELLANEOUS ACTS,CONDITIONS - BURNED
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE TEMPERATURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           TERRAIN - WET,SOFT GROUND
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- INNER CROSS OVER MUFFLER ASSY BURNT THRU.CAUSED EXCESS HEAT TO CARB.LOST PWR.
```

## Aircraft

- Registration: [N7647K](https://openairdocs.org/aircraft/N7647K), registered now, S/N 20-468, built 1950 (OpenAirDocs)
- Reported make and model: PIPER PA-20
- Registry model: [Piper PA-20](https://openairdocs.org/model/piper-pa-20) (registry code 7102002) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Fullerton

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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