# N400MB: Sikorsky S-76, registration cancelled 1979-03-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 16, 1979
- Status when cancelled: Valid registration
- Airframe: [Sikorsky S-76](https://openairdocs.org/model/sikorsky-s-76) (registry code 8143010)
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE) (OpenAirDocs)
- Serial number: 760066
- Type of aircraft: Rotorcraft
- Mode S code: A4ADB6
- Owner when cancelled: [Sikorsky Aircraft](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT)
- Location: [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N400MB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=400MB
- Page: https://openairdocs.org/deregistered/N400MB-1979-03-16

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Sikorsky S-76: https://openairdocs.org/model/sikorsky-s-76.md

## Other aircraft with N400MB

- [Registered now](https://openairdocs.org/aircraft/N400MB): Mcdonnell Douglas Helicopter 369E, S/N 0420E, built 1990

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