# NTSB CHI72FEE33: Mooney M20E, N5979Q, Caledonia, IL, October 2, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 2, 1971
- Place: Caledonia, IL · CALEDONIA, IL
- Location: 42.3686° N, 88.8939° W: Placed by OpenAirDocs: center of Caledonia, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3686&lon=-88.8939&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 12, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164265
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72FEE33
- Page: https://openairdocs.org/ntsb/CHI72FEE33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3953   71/10/2   CALEDONIA,ILL       MOONEY M20E         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 44, 2100
        TIME - 1600                    N5979Q              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 65 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          JANESVILLE,WIS              OTTAWA,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           TERRAIN - OTHER
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NR 2 CONNECTING ROD BOLTS FAILED DUE TO IMPROPER TORQUEING.
```

## Aircraft

- Registration: [N5979Q](https://openairdocs.org/aircraft/N5979Q), registered now, S/N 849, built 1965 (OpenAirDocs)
- Reported make and model: MOONEY M20E
- Registry model: [Mooney M20E](https://openairdocs.org/model/mooney-m20e) (registry code 5870212) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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