# NTSB CHI75FEP69: Cessna 182H, N8454S, Gratiot, WI, June 22, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 22, 1975
- Place: Gratiot, WI · GRATIOT, WI
- Location: 42.5798° N, 90.0238° W: Placed by OpenAirDocs: center of Gratiot, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5798&lon=-90.0238&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 22, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150211
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75FEP69
- Page: https://openairdocs.org/ntsb/CHI75FEP69

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2345  75/6/22    GRATIOT,WI          CESSNA 182H         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 32, 220
        TIME - 1915                    N8454S              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 26 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LACROSSE,WI                 WHEELING,IL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NR 2 CYL EXHAUST ROCKER SHAFT SUPPORT BOSSES SEPARATED FM CYL HEAD.
```

## Aircraft

- Registration: [N8454S](https://openairdocs.org/deregistered/N8454S-2013-05-02), registration cancelled 2013-05-02, S/N 18256554, built 1965 (OpenAirDocs)
- Reported make and model: CESSNA 182H
- Registry model: [Cessna 182H](https://openairdocs.org/model/cessna-182h) (registry code 2072718) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (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 19750622018679A](https://openairdocs.org/incident/19750622018679A), Jun 22, 1975: Cessna 182H, Gratiot, WI, Substantial damage. Nr 2 cyl exhaust rocker shaft support bosses separated fm cyl head.

## Other investigations on N8454S (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 CHI82DA154](https://openairdocs.org/ntsb/CHI82DA154), May 8, 1982: Cessna 182 (N8454S), Ottawa, IL, 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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