# NTSB FTW76FRD58: Hughes 369, N9125F, Intrcostl City, LA, August 4, 1976

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: August 4, 1976
- Place: Intrcostl City, LA · INTRCOSTL CITY, LA
- Location: 29.7844° N, 92.1562° W: Placed by OpenAirDocs: center of Intracoastal City, LA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.7844&lon=-92.1562&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report December 21, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 149696
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW76FRD58
- Page: https://openairdocs.org/ntsb/FTW76FRD58

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3287   76/8/4  NR.INTRCOSTL CITY,LA  HUGHES 369          CR-  0  1  0  MISCELLANEOUS             COMMERCIAL, AGE 27, 3588
        TIME - 1140                    N9125F              PX-  0  0  0  FERRY                     TOTAL HOURS, 126 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         INTRCOSTL CITY,LA            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        REMARKS- POP OUT FLOATS NOT INFLATED.TAIL ROTOR DRIVE SHAFT FAILED,CAUSE UNKNOWN.FRACTURES OBLITERATED.
```

## Aircraft

- Registration: [N9125F](https://openairdocs.org/deregistered/N9125F-2015-04-30), registration cancelled 2015-04-30, S/N 820399S, built 1972 (OpenAirDocs)
- Reported make and model: HUGHES 369
- Registry model: [Hughes 369HS](https://openairdocs.org/model/hughes-369hs) (registry code 4470728) (OpenAirDocs)
- Registry engine: [Allison 250 SER 317HP](https://openairdocs.org/engine/allison-250-ser-317hp) (registry code 03011, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Destroyed

## 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 19760804035849A](https://openairdocs.org/incident/19760804035849A), Aug 4, 1976: Hughes 369HS, Intrcostl City, LA, Destroyed. Pop out floats not inflated. Tail rotor drive shaft failed,cause unknown. Fractures obliterated.

## Other investigations on N9125F (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 DEN78DQA55](https://openairdocs.org/ntsb/DEN78DQA55), Sep 10, 1978: Hughes 500C (N9125F), Cuba, NM, 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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