# NTSB IAD77DKW10: Erco 415CD, N94706, Rockwood, TN, December 22, 1976

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: December 22, 1976
- Place: Rockwood, TN · ROCKWOOD, TN
- Location: 35.8701° N, 84.6749° W: Placed by OpenAirDocs: center of Rockwood, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.8701&lon=-84.6749&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report June 28, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 150300
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD77DKW10
- Page: https://openairdocs.org/ntsb/IAD77DKW10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4116  76/12/22   ROCKWOOD,TN         ERCO 415CD          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 52, 150
        TIME - 1605                    N94706              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 60 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ROCKWOOD MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          ROCKWOOD,TN                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           POWERPLANT - LUBRICATING SYSTEM: OTHER
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- #1 CONROD FAILED DUE LACK OF LUBRICATION.AMPLE OIL IN CRANKCASE.
```

## Aircraft

- Registration: [N94706](https://openairdocs.org/deregistered/N94706-1982-01-07), registration cancelled 1982-01-07, S/N 4817 (OpenAirDocs)
- Reported make and model: ERCO 415CD
- Registry model: [Ercoupe 415-CD](https://openairdocs.org/model/ercoupe-415-cd) (registry code 0420324) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Rockwood Muni

## 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 19761222040679A](https://openairdocs.org/incident/19761222040679A), Dec 22, 1976: Univar 415CD, Rockwood, TN, Substantial damage. #1 Conrod failed due lack of lubrication. Ample oil in crankcase.

## Other investigations on N94706 (1)

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.

- [NTSB UNK64X1189](https://openairdocs.org/ntsb/UNK64X1189), Apr 5, 1964: Ercoupe 415CD (N94706), Chillicothe, OH, substantial damage

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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