# NTSB MIA69F0073: Stinson 108-3, N635C, Kennesaw, GA, June 16, 1968

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: June 16, 1968
- Place: Kennesaw, GA · KENNESAW, GA
- Location: 34.0312° N, 84.6213° W: Placed by OpenAirDocs: center of Kennesaw, GA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.0312&lon=-84.6213&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 2 minor, 1 uninjured
- Status: Completed, report April 23, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 109662
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA69F0073
- Page: https://openairdocs.org/ntsb/MIA69F0073

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4871  68/6/16    KENNESAW,GA         STINSON 108-3       CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 42, 2800
        TIME - 1430                    N635C               PX-  0  1  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 29 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - MCCOLLUM
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - STICKING
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- EXCESSIVE LEAD DEPOSIT IN AREA OF EXHAUST VALVES OF NR 1 AND 3 CYLINDERS
```

## Aircraft

- Registration: [N635C](https://openairdocs.org/deregistered/N635C-2013-08-20), registration cancelled 2013-08-20, S/N 108-3635, built 1947 (OpenAirDocs)
- Reported make and model: STINSON 108-3
- Registry model: [Stinson 108-3](https://openairdocs.org/model/stinson-108-3) (registry code 9230408) (OpenAirDocs)
- Registry engine: [Franklin 6A4165 series](https://openairdocs.org/engine/franklin-6a4165-series) (registry code 27025, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mccollum

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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