# NTSB MIA70FKT18: Brantley 305, N2222U, Stuart, FL, May 3, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 3, 1970
- Place: Stuart, FL · STUART, FL
- Location: 27.1953° N, 80.2437° W: Placed by OpenAirDocs: center of Stuart, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=27.1953&lon=-80.2437&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 7, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 125639
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA70FKT18
- Page: https://openairdocs.org/ntsb/MIA70FKT18

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0656   70/5/3    STUART,FLA          BRANTLEY 305        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 42, 260
        TIME - 1005                    N2222U              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 45 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - WITHAM FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          STUART,FLA                  STUART,FLA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: CLIMB TO CRUISE
           DITCHING                                                 LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: MAIN ROTOR GEAR BOX
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - RPM-UNCONTROLLABLE-OVERSPEED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        REMARKS- TRANSMISSION GEARS FAILED LACKED LUBRICATION.NO 0IL PUT IN TRANS.UNCONTROLLABLE M/R DECAY. SANK.
```

## Aircraft

- Registration: [N2222U](https://openairdocs.org/deregistered/N2222U-1972-11-21), registration cancelled 1972-11-21, S/N 1032 (OpenAirDocs)
- Reported make and model: BRANTLEY 305
- Registry model: [Brantly 305](https://openairdocs.org/model/brantly-305) (registry code 1440602) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed
- Airport: Witham Field

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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