# NTSB OAK71DVM04: Cessna 177, N30150, San Gregario, CA, July 11, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 11, 1970
- Place: San Gregario, CA · SAN GREGARIO, CA
- Location: 37.3272° N, 122.3866° W: Placed by OpenAirDocs: center of San Gregorio, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.3272&lon=-122.3866&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report May 10, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 114756
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK71DVM04
- Page: https://openairdocs.org/ntsb/OAK71DVM04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2934  70/7/11    SAN GREGARIO,CAL    CESSNA 177          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 53, 195
        TIME - 1122                    N30150              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 11 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - LUBRICATING SYSTEM: LINES,HOSES,FITTING
           MISCELLANEOUS ACTS,CONDITIONS - LOOSE,PART/FITTING
           MISCELLANEOUS ACTS,CONDITIONS - OIL EXHAUSTION-ENGINE LUBRICATION SYSTEM
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENG OIL PRES GAUGE LINE FOUND LOOSE. ACFT OPERATED OK FOR 43 HRS SINCE 100 HR INSP ON 6/18/70.
```

## Aircraft

- Registration: [N30150](https://openairdocs.org/deregistered/N30150-1972-01-05), registration cancelled 1972-01-05, S/N 17701080 (OpenAirDocs)
- Reported make and model: CESSNA 177
- Registry model: [Cessna 177](https://openairdocs.org/model/cessna-177) (registry code 2073704) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N30150 (1)

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 OAK69D0050](https://openairdocs.org/ntsb/OAK69D0050), Jul 21, 1968: Cessna 177 (N30150), Livermore, CA, 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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