# N451DF: Grumman S2F-1 (TS-2A), registration cancelled

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: date not recorded
- Status when cancelled: B
- Airframe: [Grumman S2F-1 (TS-2A)](https://openairdocs.org/model/grumman-s2f-1-ts-2a) (registry code 3951102)
- Serial number: 027
- Type of aircraft: Fixed wing multi engine
- Mode S code: A57624
- The mark today: https://openairdocs.org/aircraft/N451DF
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=451DF
- Page: https://openairdocs.org/deregistered/N451DF-undated

From the FAA registry file of October 24, 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 Grumman S2F-1 (TS-2A): https://openairdocs.org/model/grumman-s2f-1-ts-2a.md

## Other aircraft with N451DF

- [Registered now](https://openairdocs.org/aircraft/N451DF): Sikorsky S-70I, S/N 705337, built 2022
- [Cancelled 1988-08-18](https://openairdocs.org/deregistered/N451DF-1988-08-18): Grumman TS-2A, S/N 136639. Triennial form not returned

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