# NTSB MKC78FA030: Convair 340, N4807C, Elma, IA, March 21, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 21, 1978
- Place: Elma, IA · ELMA, IA
- Location: 43.2457° N, 92.4387° W: Placed by OpenAirDocs: center of Elma, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.2457&lon=-92.4387&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report September 8, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142070
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC78FA030
- Page: https://openairdocs.org/ntsb/MKC78FA030

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1970  78/3/21    ELMA,IA             CONVAIR 340         CR-  0  0  2  NONCOMMERCIAL             COMMERCIAL, AGE 43, 9000
        TIME - 0145                    N4807C              PX-  0  0  2  CORP/EXEC                 TOTAL HOURS, 5500 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ST LOUIS,MO                 MINNEAPOLIS,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE
           MISCELLANEOUS ACTS,CONDITIONS - OIL EXHAUSTION-ENGINE LUBRICATION SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENG SEPARATED FROM A/C IN FLT DUE TO FIRE DAMAGE.
```

## Aircraft

- Registration: [N4807C](https://openairdocs.org/deregistered/N4807C-1980-09-22), registration cancelled 1980-09-22, S/N 84 (OpenAirDocs)
- Reported make and model: CONVAIR 340
- Registry model: [Convair 340](https://openairdocs.org/model/convair-340) (registry code 242270A) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19780321023269A](https://openairdocs.org/incident/19780321023269A), Mar 21, 1978: Cvac 34032, Elma, IA, Substantial damage. Eng separated from a/c in flt due to fire 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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