# NTSB FTW70F0283: Bell 47J, N5153B, Grand Isle, LA, October 31, 1969

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 31, 1969
- 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: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report January 30, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 160022
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW70F0283
- Page: https://openairdocs.org/ntsb/FTW70F0283

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2938  69/10/31 NR.GRAND ISLE,LA      BELL 47J            CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 47, 13250
        TIME - 0757                    N5153B              PX-  0  0  0  AIR TAXI-PASSG            TOTAL HOURS, 760 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WEST DELTA BLOCK 73        GRAND ISLE,LA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- PLT REPORTED POWER WAS LOST IN ROTOR SYSTEM.
```

## Aircraft

- Registration: [N5153B](https://openairdocs.org/deregistered/N5153B-1975-06-09), registration cancelled 1975-06-09, S/N 1713 (OpenAirDocs)
- Reported make and model: BELL 47J
- Registry model: [Bell 47J](https://openairdocs.org/model/bell-47j) (registry code 1181102) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: 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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