# NTSB UNK64X0867: Bell 47G, N994B, Grand Isle, LA, March 10, 1964

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: March 10, 1964
- Place: Grand Isle, LA · GRAND ISLE, LA
- Location: 29.2129° N, 90.0291° W: Placed by OpenAirDocs: center of Grand Isle, LA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.2129&lon=-90.0291&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report January 4, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 121174
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X0867
- Page: https://openairdocs.org/ntsb/UNK64X0867

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0059  64/3/10    GRAND ISLE LA       BELL 47G            CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 28, 2494
        TIME - 0700                    N994B               PX-  1  0  0  AIR TAXI-PASSG            TOTAL HOURS, 727 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - OIL DRILLING RIG
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: FINAL APPROACH
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - OPERATED CARELESSLY
           PILOT IN COMMAND - SELECTED WRONG RUNWAY RELATIVE TO EXISTING WIND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
```

## Aircraft

- Registration: [N994B](https://openairdocs.org/deregistered/N994B-1970-06-19), registration cancelled 1970-06-19, S/N 1322 (OpenAirDocs)
- Reported make and model: BELL 47G
- Registry model: [Bell 47G](https://openairdocs.org/model/bell-47g) (registry code 1181002) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed
- Airport: Oil Drilling Rig

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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