# NTSB NYC68A0034: Sikorsky S-51, N13301, Wndsor Locks, CT, August 29, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 29, 1967
- Place: Wndsor Locks, CT · WNDSOR LOCKS, CT
- Location: 41.9298° N, 72.6580° W: Placed by OpenAirDocs: center of Windsor Locks, CT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.9298&lon=-72.6580&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report November 8, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 114909
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC68A0034
- Page: https://openairdocs.org/ntsb/NYC68A0034

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0633  67/8/29    WNDSOR LOCKS,CONN   SIKORSKY S-51       CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 44, 7705
        TIME - 1424                    N13301              PX-  0  0  2  CORP/EXEC                 TOTAL HOURS, 2000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HAMILTON STANDARD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
          ROTORCFT-INTERMEDIATE DRIVE SHAFT RIVETS SHEARED.
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        REMARKS- ANTITORQUE CONTROL LOSS.
```

## Aircraft

- Registration: N13301 (not matched to a registry record)
- Reported make and model: SIKORSKY S-51
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hamilton Standard

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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