# NTSB SEA78FYM31: Aeronca 7AC, N3479E, Estacada, OR, May 6, 1978

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 6, 1978
- Place: Estacada, OR · ESTACADA, OR
- Location: 45.2982° N, 122.3324° W: Placed by OpenAirDocs: center of Estacada, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.2982&lon=-122.3324&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report June 26, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142447
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78FYM31
- Page: https://openairdocs.org/ntsb/SEA78FYM31

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1044   78/5/6    ESTACADA,OR         AERONCA 7AC         CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 44, 1000
        TIME - 1215                    N3479E              PX-  0  0  1  TEST                      TOTAL HOURS, 400 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ESTACADA
        DEPARTURE POINT             INTENDED DESTINATION
          ESTACADA,OR                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKCASE
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - BURNED
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE-WEAR/PLAY
           MISCELLANEOUS ACTS,CONDITIONS - OBSTRUCTED
           MISCELLANEOUS ACTS,CONDITIONS - CARBON DEPOSITS
           MISCELLANEOUS ACTS,CONDITIONS - OIL STARVATION
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- TOP OVHL 1HR PRIOR. OWNER DIDNT WANT REBUILD. HEAVY CARBON DEPOSITS IN ENG. PLT HAD TO AVOID FENCE
```

## Aircraft

- Registration: [N3479E](https://openairdocs.org/aircraft/N3479E), registered now, S/N 7AC-6861 (OpenAirDocs)
- Reported make and model: AERONCA 7AC
- Registry model: [Aeronca 7AC](https://openairdocs.org/model/aeronca-7ac) (registry code 2110102) (OpenAirDocs)
- Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Estacada

## 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 19780506011809A](https://openairdocs.org/incident/19780506011809A), May 6, 1978: Blanca 7AC, Estacada, OR, Substantial damage. Top ovhl 1HR prior. Owner didnt want rebuild. Heavy carbon deposin eng. Plt had to avoid fence

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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