# NTSB OAK75DVG12: Aeronca O-58B, N49012, Proberta, CA, August 8, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 8, 1974
- Place: Proberta, CA · PROBERTA, CA
- Location: 40.0762° N, 122.1776° W: Placed by OpenAirDocs: center of Proberta, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.0762&lon=-122.1776&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 8, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 136890
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK75DVG12
- Page: https://openairdocs.org/ntsb/OAK75DVG12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2714   74/8/8    PROBERTA,CALIF      AERONCA O-58B       CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 16, 50 TOTAL
        TIME - 0715                    N49012              PX-  0  0  0  TRAINING                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LODI,CALIF                  MEDFORD,OREG
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      65
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- LNDD IN PLOWED FLD.SOLO CROSS-COUNTRY.
```

## Aircraft

- Registration: [N49012](https://openairdocs.org/aircraft/N49012), registered now, S/N 058B10943, built 1943 (OpenAirDocs)
- Reported make and model: AERONCA O-58B
- Registry model: [Aeronca 0-58B](https://openairdocs.org/model/aeronca-0-58b) (registry code 0191006) (OpenAirDocs)
- Registry engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19740808029269A](https://openairdocs.org/incident/19740808029269A), Aug 8, 1974: Aronca O58B, Proberta, CA, Substantial damage. Lndd in plowed fld. Solo cross-country.

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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