# NTSB OAK70D0157: Cessna 175, N7052M, Downieville, CA, October 9, 1969

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 9, 1969
- Place: Downieville, CA · DOWNIEVILLE, CA
- Location: 39.5786° N, 120.8164° W: Placed by OpenAirDocs: center of Downieville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.5786&lon=-120.8164&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report May 15, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 152225
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK70D0157
- Page: https://openairdocs.org/ntsb/OAK70D0157

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4153   69/10/9   DOWNIEVILLE,CALIF   CESSNA 175          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 45, 500
        TIME - 1345                    N7052M              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OROVILLE,CALIF              RENO,NEV
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: DIRT BANK                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           TERRAIN - OTHER
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- INSUFFICIENT LUBRICATION AT CON ROD JOURNALS. OIL SCREEN BLOCKED,PARTLY COLLAPSED.LND ON LOG ROAD.
```

## Aircraft

- Registration: [N7052M](https://openairdocs.org/deregistered/N7052M-2020-01-24), registration cancelled 2020-01-24, S/N 55352, built 1958 (OpenAirDocs)
- Reported make and model: CESSNA 175
- Registry model: [Cessna 175](https://openairdocs.org/model/cessna-175) (registry code 2072502) (OpenAirDocs)
- Registry engine: [Continental GO-300 series](https://openairdocs.org/engine/continental-go-300-series) (registry code 17024, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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