# NTSB CHI79FEM12: Bell 47-G2, N2866B, Newberry, MI, February 17, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: February 17, 1979
- Place: Newberry, MI · NEWBERRY, MI
- Location: 46.3538° N, 85.5098° W: Placed by OpenAirDocs: center of Newberry, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.3538&lon=-85.5098&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report March 29, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 137815
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI79FEM12
- Page: https://openairdocs.org/ntsb/CHI79FEM12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0157  79/2/17    NEWBERRY,MI         BELL 47-G2          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 43, 2000
        TIME - 1200                    N2866B              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 661 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          NEWBERRY,MI                 NEWBERRY,MI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER GRADE OIL-LUBRICATING SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - OIL STARVATION
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: N2866B (not matched to a registry record)
- Reported make and model: BELL 47-G2
- Category: Helicopter
- 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 19790217003149A](https://openairdocs.org/incident/19790217003149A), Feb 17, 1979: Bell 47G2, Newberry, MI, Substantial damage. Investigation showed that 50 weight oil was used. Temp was minus ten. Thirty weight is recommended.

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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