# NTSB MIA80FA084: Bell 47G-2, N2485B, Miami, FL, July 14, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 14, 1980
- Place: Miami, FL · MIAMI, FL
- Location: 25.7743° N, 80.1937° W: Placed by OpenAirDocs: center of Miami, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=25.7743&lon=-80.1937&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report September 10, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130026
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA80FA084
- Page: https://openairdocs.org/ntsb/MIA80FA084

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1760  80/7/14    MIAMI,FL            BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 29, 1400
        TIME - 1100                    N2485B              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 175 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HAULOVER HELIPORT
        DEPARTURE POINT             INTENDED DESTINATION
          MIAMI,FL                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: CLIMB TO CRUISE
           DITCHING                                                 LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR GEAR BOX
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
                                  DIRECTIONAL CONTROL PROBLEM
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- BEARING IN TAIL ROTOR GEARBOX FAILED
```

## Aircraft

- Registration: N2485B (not matched to a registry record)
- Reported make and model: BELL 47G-2
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Haulover Heliport

## 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 19800714030599A](https://openairdocs.org/incident/19800714030599A), Jul 14, 1980: Bell 47G2, Miami, FL, Substantial damage. Bearings failed in tail rotor gear box. Made hard autorotate landing on ocean surf.

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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