# N40BY: Raven S55A, registration cancelled 1988-06-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 30, 1988
- Status when cancelled: N-number assigned, not yet registered
- Airframe: [Raven S55A](https://openairdocs.org/model/raven-s55a) (registry code 7480402)
- Data sheets: [TCDS A15CE](https://openairdocs.org/tcds/A15CE) (OpenAirDocs)
- Serial number: S55A765
- Type of aircraft: Balloon
- Mode S code: A4AA78
- The mark today: https://openairdocs.org/aircraft/N40BY
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=40BY
- Page: https://openairdocs.org/deregistered/N40BY-1988-06-30

From the FAA registry file of October 31, 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 Raven S55A: https://openairdocs.org/model/raven-s55a.md

## Other aircraft with N40BY

- [Registered now](https://openairdocs.org/aircraft/N40BY): Bob Knighton/Dave Fortuna/Hugo WBY RV-9A, S/N 91232, built 2012

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