# NTSB CHI80DA057: Stinson 108-3, N4110C, Grattan, MI, July 17, 1980

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 17, 1980
- Place: Grattan, MI · GRATTAN, MI
- Location: 43.0842° N, 85.3811° W: Placed by OpenAirDocs: center of Grattan, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0842&lon=-85.3811&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal, 2 serious, 1 minor
- Status: Completed, report August 29, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130058
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI80DA057
- Page: https://openairdocs.org/ntsb/CHI80DA057

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1694  80/7/17    GRATTAN,MI          STINSON 108-3       CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 58, 520
        TIME - 0915                    N4110C              PX-  2  1  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 320 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - WABASIS LAKE
        DEPARTURE POINT             INTENDED DESTINATION
          GRATTAN,MI                  CARO,MI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: TREES                                     TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - LOW COMPRESSION
           POWERPLANT - ENGINE STRUCTURE: PISTON,PISTON RINGS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           POWERPLANT - IGNITION SYSTEM: SPARK PLUG
           MISCELLANEOUS ACTS,CONDITIONS - CARBON DEPOSITS
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
           TERRAIN - HIGH OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- TOP COMPRESSION RING BRKN ON #3CYL.ALL SPARK PLUGS BYND SVCBLE COND.EXH VLVS NOT PROPERLY SEATING.
```

## Aircraft

- Registration: [N4110C](https://openairdocs.org/deregistered/N4110C-1981-01-12), registration cancelled 1981-01-12, S/N 108-5110, built 1948 (OpenAirDocs)
- Reported make and model: STINSON 108-3
- Registry model: [Universal Stinson 108-3](https://openairdocs.org/model/universal-stinson-108-3) (registry code 9230418) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Wabasis Lake

## 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 19800717043989A](https://openairdocs.org/incident/19800717043989A), Jul 17, 1980: Univar 1083, Grattan, MI, Destroyed, 2 fatal. Pilot unable to clear trees after take off,stalled and crashed into trees.

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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