# NTSB FTW75AF054: Hughes 369HS, N84AL, Grand Chenier, LA, February 20, 1975

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: February 20, 1975
- Place: Grand Chenier, LA · GRAND CHENIER, LA
- Location: 29.7669° N, 92.9751° W: Placed by OpenAirDocs: center of Grand Chenier, LA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.7669&lon=-92.9751&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 4 minor
- Status: Completed, report August 6, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148067
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW75AF054
- Page: https://openairdocs.org/ntsb/FTW75AF054

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1743  75/2/20    GRAND CHENIER,LA    HUGHES 369HS        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 27, 2419
        TIME - 0608                    N84AL               PX-  0  0  3  AIR TAXI-PASSG            TOTAL HOURS, 811 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HELIPAD
        DEPARTURE POINT             INTENDED DESTINATION
          GRAND CHENIER,LA            OFFSHORE PLATFORM
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: CLIMB TO CRUISE
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
           MISCELLANEOUS ACTS,CONDITIONS - CORRODED/CORROSION
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- HUGHES T/R BLADE,P/N 369A1613-3 FAILED & SEPARATED.
```

## Aircraft

- Registration: [N84AL](https://openairdocs.org/deregistered/N84AL-1980-04-09), registration cancelled 1980-04-09, S/N 630488S (OpenAirDocs)
- Reported make and model: HUGHES 369HS
- Registry model: [Hughes 369HS](https://openairdocs.org/model/hughes-369hs) (registry code 4470728) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Helipad

## 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 19750220020419A](https://openairdocs.org/incident/19750220020419A), Feb 20, 1975: Hughes 369HS, Grand Chenier, LA, Substantial damage. Hughes t/r blade,p/n 369A1613-3 failed & separated.

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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