# NTSB FTW81IA096: Sikorsky S-76, N1547D, Ss Block 214 (Gulf of Mexico), May 26, 1981

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: May 26, 1981
- Place: Ss Block 214 (Gulf of Mexico) · SS BLOCK 214, GM
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 8 uninjured
- Status: Completed, report April 5, 1982
- Report: Brief approved by the director
- NTSB case key (mKey): 124842
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW81IA096
- Page: https://openairdocs.org/ntsb/FTW81IA096

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0057  81/5/26    SS BLOCK 214,GM     SIKORSKY S-76       CR-  0  0  2  COMMERCIAL                COMMERCIAL, AGE 31, 4790
        TIME - 1708                    N1547D              PX-  0  0  6  AIR TAXI-PASSG            TOTAL HOURS, 277 IN TYPE,
                                       DAMAGE-MINOR        OT-  0  0  0                            INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - OIL RIG PLATFORM
        DEPARTURE POINT             INTENDED DESTINATION
          SS BLOCK 214,GM             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
           POWERPLANT - TURBINE ASSEMBLY: SHROUD,RING
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           POWERPLANT - MISCELLANEOUS: FOREIGN OBJECT DAMAGE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - FAILURE OF TWO OR MORE ENGINES
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-2 ENGINES
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
         FIRE AFTER IMPACT
        REMARKS- THICKNESS,4TH STAGE TURB NZL LCTG RNG,BLO SPEC,FAIL FM FATIGUE.FRGMNTS FM OVRSPD TURB DMGD OTR ENG
```

## Aircraft

- Registration: N1547D (not matched to a registry record)
- Reported make and model: SIKORSKY S-76
- Category: Helicopter
- Engines: turbo shaft
- Damage: Minor damage
- Airport: Oil Rig Platform

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19810526022979I](https://openairdocs.org/incident/19810526022979I), May 26, 1981: Skrsky S76, LA, Minor damage. Both engines quit on takeoff. Autorotated to platform. Fire in engine put out. Turbine failure. Pieces hit #2 engine.

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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