# NTSB NYC71DHD33: Sikorsky S-58, N4247, Salem, NJ, July 8, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 8, 1970
- Place: Salem, NJ · SALEM, NJ
- Location: 39.5682° N, 75.4726° W: Placed by OpenAirDocs: center of Salem, NJ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.5682&lon=-75.4726&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 27, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 114495
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC71DHD33
- Page: https://openairdocs.org/ntsb/NYC71DHD33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2890   70/7/8  NR.SALEM,NJ           SIKORSKY S-58       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 25, 2056
        TIME - 1230                    N4247               PX-  0  0  0  CONSTRUCTION              TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-NONE         OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SALEM
        DEPARTURE POINT             INTENDED DESTINATION
         SALEM,NJ                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
           PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: INADEQUATE SUPERVISION OF FLIGHT CREW
           PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: INADEQUATE SUPERVISION/TRAINING OF RAMP CREWS
           PERSONNEL - MISCELLANEOUS-PERSONNEL: GROUND CREWMAN
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        REMARKS- GND CREW MANEUVERED SLING LOAD CABLE INTO CONTACT WITH LIVE POWER LINE.
```

## Aircraft

- Registration: [N4247](https://openairdocs.org/deregistered/N4247-2013-06-18), registration cancelled 2013-06-18, S/N 58807, built 1958 (OpenAirDocs)
- Reported make and model: SIKORSKY S-58
- Registry model: [Sikorsky S-58B](https://openairdocs.org/model/sikorsky-s-58b) (registry code 8141804) (OpenAirDocs)
- Registry engine: [Wright C9HE series](https://openairdocs.org/engine/wright-c9he-series) (registry code 67029, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: No damage
- Airport: Salem

## Other investigations on N4247 (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 SEA81FA050](https://openairdocs.org/ntsb/SEA81FA050), Aug 7, 1981: Sikorsky S-58B (N4247), Bellevue, WA, destroyed, 2 fatal
- [NTSB CHI69F0152](https://openairdocs.org/ntsb/CHI69F0152), Jul 28, 1968: Sikorsky S-58A (N4247), Robinson Creek, KY, 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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