# NTSB LAX76FUG21: Piper PA-24, N7971P, Diamond Bar, CA, November 29, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 29, 1975
- Place: Diamond Bar, CA · DIAMOND BAR, CA
- Location: 34.0016° N, 117.8176° W: Placed by OpenAirDocs: center of Diamond Bar, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.0016&lon=-117.8176&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report March 4, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 152172
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX76FUG21
- Page: https://openairdocs.org/ntsb/LAX76FUG21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4030  75/11/29   DIAMOND BAR,CA      PIPER PA-24         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 52, 1110
        TIME - 0103                    N7971P              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 28 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LONG BEACH,CA               LAS VEGAS,NV
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: DESCENDING
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE CONTROLS: THROTTLE-POWER LEVER ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL WHEELS-UP
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- THROTTLE CTL LINKAGE CAME LOOSE. LND ON FREEWAY.
```

## Aircraft

- Registration: [N7971P](https://openairdocs.org/deregistered/N7971P-1976-02-24), registration cancelled 1976-02-24, S/N 24-3208 (OpenAirDocs)
- Reported make and model: PIPER PA-24
- Registry model: [Piper PA-24-250](https://openairdocs.org/model/piper-pa-24-250) (registry code 7102404) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19751129041469A](https://openairdocs.org/incident/19751129041469A), Nov 29, 1975: Piper PA24250, Diamond Bar, CA, Destroyed. Throttle ctl linkage came loose. Lnd on freeway.

## Other investigations on N7971P (2)

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.

- [NTSB LAX71FUA42](https://openairdocs.org/ntsb/LAX71FUA42), Jan 17, 1971: Piper PA-24 (N7971P), Torrance, CA, substantial damage
- [NTSB UNK68X0111](https://openairdocs.org/ntsb/UNK68X0111), Dec 1, 1967: Piper PA-24 (N7971P), Navojoa, Mexico, incident, minor 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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