# NTSB CHI72FEM44: Siai-Marche 205-22, N4780G, Eagle, MI, January 21, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 21, 1972
- Place: Eagle, MI · EAGLE, MI
- Location: 42.8098° N, 84.7909° W: Placed by OpenAirDocs: center of Eagle, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.8098&lon=-84.7909&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 7, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164701
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72FEM44
- Page: https://openairdocs.org/ntsb/CHI72FEM44

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0044  72/1/21    EAGLE,MICH          SIAI-MARCHE 205-22  CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 54, 528
        TIME - 0945                    N4780G              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 118 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GRAND HAVEN,MICH            LANSING,MICH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: HUBS
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - JAMMED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PROP HUB FAILED,BLADE SEPARATED.ENG CANTED ON MOUNTS JAMMED NOSE GR.HAD TO LND GR UP.
```

## Aircraft

- Registration: [N4780G](https://openairdocs.org/deregistered/N4780G-1976-05-21), registration cancelled 1976-05-21, S/N 213, built 1966 (OpenAirDocs)
- Reported make and model: SIAI-MARCHE 205-22
- Registry model: [Siai-Marchetti S.205/22R](https://openairdocs.org/model/siai-marchetti-s-205-22r) (registry code 8120412) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N4780G (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 LAX67F0216](https://openairdocs.org/ntsb/LAX67F0216), Dec 1, 1966: SIAI March. S-205 (N4780G), Phoenix, AZ, 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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