# NTSB UNK64X3352: Aeronca 7AC, N3880E, Clinton, MO, August 13, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 13, 1964
- Place: Clinton, MO · CLINTON, MO
- Location: 38.3712° N, 93.7681° W: Placed by OpenAirDocs: center of Clinton, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.3712&lon=-93.7681&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 1, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 181955
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3352
- Page: https://openairdocs.org/ntsb/UNK64X3352

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2662  64/8/13    CLINTON MO          AERONCA 7AC         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 37, 100
        TIME - 1640                    N3880E              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 80 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - RANCH AERO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - OIL STARVATION
           MISCELLANEOUS ACTS,CONDITIONS - CARBON DEPOSITS
           MISCELLANEOUS ACTS,CONDITIONS - OBSTRUCTED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- OIL PASSAGE TO FRONT MAIN BEARING OBSTRUCTED BY CARBON DEPOSITS.
```

## Aircraft

- Registration: [N3880E](https://openairdocs.org/deregistered/N3880E-2012-11-14), registration cancelled 2012-11-14, S/N 7AC-7106, built 1947 (OpenAirDocs)
- Reported make and model: AERONCA 7AC
- Registry model: [Aeronca 7AC](https://openairdocs.org/model/aeronca-7ac) (registry code 2110102) (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
- Airport: Ranch Aero

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.