# NTSB NYC78FNA35: Enstrom F28C, N51667, So.Dennis, MA, July 7, 1978

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 7, 1978
- Place: So.Dennis, MA · SO.DENNIS, MA
- Location: 41.7041° N, 70.1507° W: Placed by OpenAirDocs: center of South Dennis, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7041&lon=-70.1507&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report October 19, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 140267
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC78FNA35
- Page: https://openairdocs.org/ntsb/NYC78FNA35

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3241   78/7/7    SO.DENNIS,MA        ENSTROM F28C        CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 43, 2595
        TIME - 0910                    N51667              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 80 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: VERTICAL
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PILOT WAS HELICOPTER STUDENT PILOT WITH ENDORSEMENT.TRIED TO MILK THROTTLE AFT RPM DECREASED.
```

## Aircraft

- Registration: [N51667](https://openairdocs.org/deregistered/N51667-1989-01-06), registration cancelled 1989-01-06, S/N 405 (OpenAirDocs)
- Reported make and model: ENSTROM F28C
- Registry model: [Enstrom F-28C](https://openairdocs.org/model/enstrom-f-28c) (registry code 3300407) (OpenAirDocs)
- 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 19780707026689A](https://openairdocs.org/incident/19780707026689A), Jul 7, 1978: Enstrm F28ENSTR/, So.Dennis, MA, Substantial damage. Pilot was helicopter student pilot with endorsement. Tried to milkottle aft RPM decreased.

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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