# NTSB OAK78FXQ26: Enstrom F28C, N589H, Tahoe City, CA, June 5, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 5, 1978
- Place: Tahoe City, CA · TAHOE CITY, CA
- Location: 39.1721° N, 120.1388° W: Placed by OpenAirDocs: center of Tahoe City, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.1721&lon=-120.1388&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 18, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 141686
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK78FXQ26
- Page: https://openairdocs.org/ntsb/OAK78FXQ26

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1133   78/6/5    TAHOE CITY,CA       ENSTROM F28C        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 43, 458
        TIME - 1015                    N589H               PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 255 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DAVIS,CA                    TAHOE,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- TWO ACTUATOR ARMS,P/N 28-13236,THAT ALLOW TENSION ON TRANSMISSION DRIVE BELT FAILED.
```

## Aircraft

- Registration: N589H (not matched to a registry record)
- Reported make and model: ENSTROM F28C
- 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 19780605014249A](https://openairdocs.org/incident/19780605014249A), Jun 5, 1978: Enstrm F28A, Tahoe City,Ca, CA, Substantial damage. Two actuator arms,p/n 28-13236,that allow tension on transmission drve belt failed.

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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