# NTSB UNK64X3077: Bell 47G, N932B, Plymouth, MA, July 27, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 27, 1964
- Place: Plymouth, MA · PLYMOUTH, MA
- Location: 41.9583° N, 70.6638° W: Placed by OpenAirDocs: center of Plymouth, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.9583&lon=-70.6638&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 7, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 182622
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3077
- Page: https://openairdocs.org/ntsb/UNK64X3077

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0609  64/7/27    PLYMOUTH MASS       BELL 47G            CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 0910                    N932B               PX-  0  0  1  FERRY                     AGE 38, 5515 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            ALL IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE                                  TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  DIRECTIONAL CONTROL PROBLEM
        REMARKS- TAIL ROTOR BLADE FAILED INFLIGHT
```

## Aircraft

- Registration: [N932B](https://openairdocs.org/aircraft/N932B), registered now, S/N 665-1, built 1953 (OpenAirDocs)
- Reported make and model: BELL 47G
- Registry model: [Bell 47G](https://openairdocs.org/model/bell-47g) (registry code 1181002) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N932B (2)

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 NYC72DFA08](https://openairdocs.org/ntsb/NYC72DFA08), Aug 21, 1971: Bell 47-G (N932B), Malone, NY, destroyed
- [NTSB NYC67A0006](https://openairdocs.org/ntsb/NYC67A0006), Jul 8, 1966: Bell 47G (N932B), W.Barnstable, MA, 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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