# NTSB CHI75FEV34: Cessna 172L, N4229Q, Mt Sterling, IL, June 3, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 3, 1975
- Place: Mt Sterling, IL · MT STERLING, IL
- Location: 39.9859° N, 90.7646° W: Placed by OpenAirDocs: center of Mount Sterling, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9859&lon=-90.7646&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report January 2, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 149037
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75FEV34
- Page: https://openairdocs.org/ntsb/CHI75FEV34

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3457   75/6/3    MT STERLING,IL      CESSNA 172L         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 33, 134
        TIME - 0645                    N4229Q              PX-  0  0  3  BUSINESS                  TOTAL HOURS, 45 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          QUINCY,IL                   SPRINGFIELD,IL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: OTHER
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- THE STEPPED DOWEL PIN P/N STD-1065 BROKE ALLOWING CRANKSHAFT TO TURN FREE OF GR AND GR TRAIN.
```

## Aircraft

- Registration: [N4229Q](https://openairdocs.org/deregistered/N4229Q-1992-01-27), registration cancelled 1992-01-27, S/N 17260129 (OpenAirDocs)
- Reported make and model: CESSNA 172L
- Registry model: [Cessna 172L](https://openairdocs.org/model/cessna-172l) (registry code 2072432) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19750603014459A](https://openairdocs.org/incident/19750603014459A), Jun 3, 1975: Cessna 172L, Mt Sterling, IL, Substantial damage. The stepped dowel pin p/n STD-1065 broke allowing crankshaft to turn free of gr and gr train.

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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