# NTSB IAD74FKW22: Aeronca L-16, N66329, Tullahoma, TN, January 12, 1974

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: January 12, 1974
- Place: Tullahoma, TN · TULLAHOMA, TN
- Location: 35.3734° N, 86.2183° W: Placed by OpenAirDocs: center of Tullahoma, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.3734&lon=-86.2183&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report July 23, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 186680
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD74FKW22
- Page: https://openairdocs.org/ntsb/IAD74FKW22

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1597  74/1/12    TULLAHOMA,TENN      AERONCA L-16        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 26, 306
        TIME - 1320                    N66329              PX-  0  0  1  PRACTICE                  TOTAL HOURS, 3 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - RUTLEDGE
        DEPARTURE POINT             INTENDED DESTINATION
          TULLAHOMA,TENN              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - IGNITION SYSTEM: SPARK PLUG
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ALL SPARK PLUG FOUND BAD.ENGINE LOST POWER ON TAKEOFF.PLT TURNED BACK TO ARPT OPEN FLD AHEAD.
```

## Aircraft

- Registration: [N66329](https://openairdocs.org/aircraft/N66329), registered now, S/N 7BCM-176 (OpenAirDocs)
- Reported make and model: AERONCA L-16
- Registry model: [Aeronca 7BCM](https://openairdocs.org/model/aeronca-7bcm) (registry code 2110106) (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: Rutledge

## 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 19740112000439A](https://openairdocs.org/incident/19740112000439A), Jan 12, 1974: Blanca 7BCM, Tullahoma, TN, Substantial damage. All spark plug found bad. Engine lost power on takeoff. Plt turned back to arpt open fld ahead.

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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