# NTSB OAK70F0198: Aeronca 11BC, N3991E, Altaville, CA, November 11, 1969

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: November 11, 1969
- Place: Altaville, CA · ALTAVILLE, CA
- Location: 38.0838° N, 120.5619° W: Placed by OpenAirDocs: center of Altaville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.0838&lon=-120.5619&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed, report April 3, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 149123
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK70F0198
- Page: https://openairdocs.org/ntsb/OAK70F0198

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3508  69/11/11   ALTAVILLE,CALIF     AERONCA 11BC        CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 19, 143
        TIME - 1230                    N3991E              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 49 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - KAY FOUNDATION
        DEPARTURE POINT             INTENDED DESTINATION
          ALTAVILLE,CALIF             ANGELS CAMP,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: OTHER
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- HAD PREVIOUSLY FUELED WITH 2.5 GALS PREMIUM AUTO GAS. FUEL ABD PRIOR TO REFUELING UNK.TANKS EMPTY.
```

## Aircraft

- Registration: [N3991E](https://openairdocs.org/deregistered/N3991E-1970-04-29), registration cancelled 1970-04-29, S/N 11BC-79 (OpenAirDocs)
- Reported make and model: AERONCA 11BC
- Registry model: [Aeronca 11BC](https://openairdocs.org/model/aeronca-11bc) (registry code 0191106) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Kay Foundation

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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