# NTSB NYC75AN054: Hiller Acft FH1100, N372FH, Bridgeport, NJ, October 29, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 29, 1974
- Place: Bridgeport, NJ · BRIDGEPORT, NJ
- Location: 39.8009° N, 75.3469° W: Placed by OpenAirDocs: center of Bridgeport, NJ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.8009&lon=-75.3469&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report November 12, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 141073
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC75AN054
- Page: https://openairdocs.org/ntsb/NYC75AN054

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3106  74/10/29   BRIDGEPORT,NJ       HILLER ACFT FH1100  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 26, 2750
        TIME - 1445                    N372FH              PX-  0  0  3  AIR TAXI-PASSG            TOTAL HOURS, 10 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SALEM,NJ                    NEWARK,NJ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR GEAR BOX
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  DIRECTIONAL CONTROL PROBLEM
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- TAIL ROTOR GR BOX ASSY P/N 24-25000-15 PITCH CHANGER BEARING RETAINER BOLT LOOSE.ASSY ROTATED.
```

## Aircraft

- Registration: N372FH (not matched to a registry record)
- Reported make and model: HILLER ACFT FH1100
- Category: Helicopter
- Engines: turbo shaft
- 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 19741029036169A](https://openairdocs.org/incident/19741029036169A), Oct 29, 1974: Frchld FH1100, Bridgeport, NJ, Substantial damage. Tail rotor gr box assy p/n 24-25000-15 pitch changer bearing retainer bolt loose. Assy rotated.

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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