# NTSB OAK76FP016: Piper PA-28, N4612R, Livermore, CA, October 6, 1975

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: October 6, 1975
- Place: Livermore, CA · LIVERMORE, CA
- Location: 37.6870° N, 121.7598° W: Placed by OpenAirDocs: center of Livermore, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6870&lon=-121.7598&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report November 7, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150654
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76FP016
- Page: https://openairdocs.org/ntsb/OAK76FP016

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2987   75/10/6 NR.LIVERMORE,CA       PIPER PA-28         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 33, 165
        TIME - 1527                    N4612R              PX-  1  0  0  BUSINESS                  TOTAL HOURS, 117 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FRESNO,CA                   SAN JOSE,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - SPATIAL DISORIENTATION
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - RAIN
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY RADIO
        WEATHER FORECAST - WEATHER SLIGHTLY WORSE THAN FORECAST
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  1500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          FOG                                                      260
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           23                                                      IFR
        TYPE OF FLIGHT PLAN
          NONE
         FIRE AFTER IMPACT
```

## Aircraft

- Registration: [N4612R](https://openairdocs.org/deregistered/N4612R-1975-11-24), registration cancelled 1975-11-24, S/N 28-21361 (OpenAirDocs)
- Reported make and model: PIPER PA-28
- Registry model: [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140) (registry code 7102802) (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 19751006033249A](https://openairdocs.org/incident/19751006033249A), Oct 6, 1975: Piper PA28140, Livermore, CA, Destroyed, 1 fatal

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.