# NTSB CHI80FEP29: Cassutt 111M, N5JJ, Stevens Pt, WI, May 21, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 21, 1980
- Place: Stevens Pt, WI · STEVENS PT, WI
- Location: 44.5253° N, 89.5504° W: Placed by OpenAirDocs: center of Stevens Point, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.5253&lon=-89.5504&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 9, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130894
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI80FEP29
- Page: https://openairdocs.org/ntsb/CHI80FEP29

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1156  80/5/21    STEVENS PT,WI       CASSUTT 111M        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1959                    N5JJ                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 29, 1307 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            104 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - STEVENS PT MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          STEVENS PT,WI               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - FUEL SYSTEM: SELECTOR VALVES
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
        FACTOR(S)
           POWERPLANT - ENGINE STRUCTURE: PISTON,PISTON RINGS
           MISCELLANEOUS ACTS,CONDITIONS - WRONG PART
           MISCELLANEOUS ACTS,CONDITIONS - LOW COMPRESSION
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- FUEL SHUTOFF FLEXIBLE CONTROL CABLE ROUTED SO THAT VIBRATION COULD CLOSE VALVE,FOUND CLOSED.
```

## Aircraft

- Registration: [N5JJ](https://openairdocs.org/aircraft/N5JJ), registered now, S/N 1JJ, built 1976 (OpenAirDocs)
- Reported make and model: CASSUTT 111M
- Registry model: [Tuszka-Weisbrod CASSUTT III M](https://openairdocs.org/model/tuszka-weisbrod-cassutt-iii-m) (registry code 1970837) (OpenAirDocs)
- Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Stevens Pt 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 19800521014709A](https://openairdocs.org/incident/19800521014709A), May 21, 1980: Amtrsx CASSUTT3M, Stevens Point, WI, Substantial damage. Engine quit on takeoff. Found broken piston lands & faulty fuel shut off design. Amateur built aircraft.

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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