# NTSB MIA73FLA49: Sikorsky S-55B, N6734, Jacksonville, FL, June 25, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 25, 1973
- Place: Jacksonville, FL · JACKSONVILLE, FL
- Location: 30.3322° N, 81.6557° W: Placed by OpenAirDocs: center of Jacksonville, FL, within about 15 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.3322&lon=-81.6557&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 4, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189992
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA73FLA49
- Page: https://openairdocs.org/ntsb/MIA73FLA49

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2143  73/6/25    JACKSONVILLE,FLA    SIKORSKY S-55B      CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 30, 5261
        TIME - 1800                    N6734               PX-  0  0  0  PRACTICE                  TOTAL HOURS, 28 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - CRAIG FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          JACKSONVILLE,FLA            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: VERTICAL
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: CARBURETOR
           MISCELLANEOUS ACTS,CONDITIONS - CHAFED
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           MISCELLANEOUS ACTS,CONDITIONS - LOAD NOT JETTISONED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- ENG FAILED DURING EXTERNAL LIFT PRACTICE.CARB DIAPHRAGM PUNCTURED,CHAFED.NO TIME TO RELEASE LOAD.
```

## Aircraft

- Registration: [N6734](https://openairdocs.org/deregistered/N6734-1975-01-10), registration cancelled 1975-01-10, S/N 52-7617 (OpenAirDocs)
- Reported make and model: SIKORSKY S-55B
- Registry model: [Sikorsky UH-19D](https://openairdocs.org/model/sikorsky-uh-19d) (registry code 814161G) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Craig Field

## FAA reports on this event (1)

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

- [Accident 19730625022709A](https://openairdocs.org/incident/19730625022709A), Jun 25, 1973: Orlhel H19ASKRSKY, Jacksonville, FL, Substantial damage. Eng failed during external lift practice. Carb diaphragm punctured,chafed. No time to release load.

## Other investigations on N6734 (1)

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 NYC73FNC33](https://openairdocs.org/ntsb/NYC73FNC33), Oct 26, 1972: Sikorsky S-55B (N6734), Bridgton, ME, 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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