# NTSB NYC76IN025: Semco GAS-4, N9VS, Atlantic Ocean (Atlantic Ocean), September 28, 1975

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: September 28, 1975
- Place: Atlantic Ocean (Atlantic Ocean) · ATLANTIC OCEAN, AO
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 9, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 151328
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC76IN025
- Page: https://openairdocs.org/ntsb/NYC76IN025

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0020  75/9/28    ATLANTIC OCEAN      SEMCO GAS-4         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 40, 1760
        TIME - 1852                    N9VS                PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 41 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        DEPARTURE POINT             INTENDED DESTINATION
          NEW SEABURY,MA              EUROPE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           DITCHING                                                 LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           SYSTEMS - FLIGHT CONTROL SYSTEMS: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        REMARKS- TRANS-ATLANTIC FLT.GAS ENVELOPE DVLPD LEAK,DITCHED 130MI SSE.ENVELOPE NOT RCVRD,CAUSE OF LEAK UNK.
```

## Aircraft

- Registration: [N9VS](https://openairdocs.org/deregistered/N9VS-1976-05-26), registration cancelled 1976-05-26, S/N SEM169 (OpenAirDocs)
- Reported make and model: SEMCO GAS-4
- Registry model: [Semco GAS-04](https://openairdocs.org/model/semco-gas-04) (registry code 8071004) (OpenAirDocs)
- Category: Balloon, amateur-built
- Engines: none
- 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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