# NTSB NYC78FHM27: Hiller 12C, N63MC, Neptune, NJ, August 29, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 29, 1978
- Place: Neptune, NJ · NEPTUNE, NJ
- Location: 40.2105° N, 74.0536° W: Placed by OpenAirDocs: center of Township of Neptune, NJ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.2105&lon=-74.0536&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 18, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 139707
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC78FHM27
- Page: https://openairdocs.org/ntsb/NYC78FHM27

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2699  78/8/29    NEPTUNE,NJ          HILLER 12C          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, AGE 43, 4665
        TIME - 1400                    N63MC               PX-  0  0  0  DUAL                      TOTAL HOURS, 403 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          NEPTUNE,NJ                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        REMARKS- IP DID NOT SLOW HIGH RATE OF DESCENT IN TIME TO PREVENT HARD LANDING.
```

## Aircraft

- Registration: [N63MC](https://openairdocs.org/deregistered/N63MC-2014-12-16), registration cancelled 2014-12-16, S/N 915 (OpenAirDocs)
- Reported make and model: HILLER 12C
- Registry model: [Hiller UH-12C](https://openairdocs.org/model/hiller-uh-12c) (registry code 4360116) (OpenAirDocs)
- Registry engine: [Franklin 6VS-335 series](https://openairdocs.org/engine/franklin-6vs-335-series) (registry code 27040, reciprocating) (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 19780829029349A](https://openairdocs.org/incident/19780829029349A), Aug 29, 1978: Hiller UH12C, Neptune, NJ, Substantial damage. Ip did not slow high rate of descent in time to prevent hard land

## Other investigations on N63MC (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 FTW84LA099](https://openairdocs.org/ntsb/FTW84LA099), Dec 16, 1983: Hiller UH-12C (N63MC), Imperial, TX, 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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