# NTSB SEA66F0141: Aeronca 7AC, N85023, Ronan, MT, September 7, 1965

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 7, 1965
- Place: Ronan, MT · RONAN, MT
- Location: 47.5274° N, 114.0997° W: Placed by OpenAirDocs: center of Ronan, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.5274&lon=-114.0997&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report January 13, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 178929
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA66F0141
- Page: https://openairdocs.org/ntsb/SEA66F0141

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3479   65/9/7    RONAN MONT          AERONCA 7AC         CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 39, 2485
        TIME - 1900                    N85023              PX-  0  0  0  TEST                      TOTAL HOURS, 85 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - RONAN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - POOR WELD
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        REMARKS- LANDING GEAR STUFFING BOX FAILED IN BRAZED AREA-CAUSED BY IMPROPER WELD.
```

## Aircraft

- Registration: [N85023](https://openairdocs.org/deregistered/N85023-2013-03-07), registration cancelled 2013-03-07, S/N 7AC-3748, built 1946 (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&C75 series](https://openairdocs.org/engine/continental-a-c75-series) (registry code 17005, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Ronan

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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