# NTSB NYC77DNC48: Enstrom F-28C, N642H, Manchester, NH, August 19, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 19, 1977
- Place: Manchester, NH · MANCHESTER, NH
- Location: 42.9956° N, 71.4548° W: Placed by OpenAirDocs: center of Manchester, NH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.9956&lon=-71.4548&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 15, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 146303
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC77DNC48
- Page: https://openairdocs.org/ntsb/NYC77DNC48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2301  77/8/19    MANCHESTER,NH       ENSTROM F-28C       CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 54, 6500
        TIME - 1400                    N642H               PX-  0  0  0  PRACTICE                  TOTAL HOURS, 36 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MANCHESTER MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          MANCHESTER,NH               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        REMARKS- PILOT HAD LOST CONTROL PRIOR TO ACFT STRIKING GND.
```

## Aircraft

- Registration: [N642H](https://openairdocs.org/deregistered/N642H-2014-11-12), registration cancelled 2014-11-12, S/N 394, built 1977 (OpenAirDocs)
- Reported make and model: ENSTROM F-28C
- Registry model: [Enstrom F-28C](https://openairdocs.org/model/enstrom-f-28c) (registry code 3300407) (OpenAirDocs)
- Registry engine: [Lycoming HIO-360 series](https://openairdocs.org/engine/lycoming-hio-360-series) (registry code 41524, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Manchester Muni

## 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 19770819024929A](https://openairdocs.org/incident/19770819024929A), Aug 19, 1977: Enstrm F28ENSTR/, Manchester, NH, Substantial damage. Pilot had lost control prior to acft striking gnd.

## Other investigations on N642H (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 NYC80FHJ04](https://openairdocs.org/ntsb/NYC80FHJ04), Nov 24, 1979: Enstrom F28C (N642H), Oakdale, NY, 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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