# N6740: Grumman OV-1C, registration cancelled 1972-10-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 19, 1972
- Status when cancelled: Valid registration
- Airframe: [Grumman OV-1C](https://openairdocs.org/model/grumman-ov-1c) (registry code 3951002)
- Data sheets: [TCDS TT00006AT](https://openairdocs.org/tcds/TT00006AT) (OpenAirDocs)
- Serial number: 60-3750
- Type of aircraft: Fixed wing multi engine
- Mode S code: A8ECEC
- Owner when cancelled: [U S Treasury Dept](https://openairdocs.org/faa-owner/U%20S%20TREASURY%20DEPT)
- Location: [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N6740
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6740
- Page: https://openairdocs.org/deregistered/N6740-1972-10-19

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 Grumman OV-1C: https://openairdocs.org/model/grumman-ov-1c.md

## Other aircraft with N6740

- [Cancelled 2017-05-23](https://openairdocs.org/deregistered/N6740-2017-05-23): Monocoupe 70, S/N 151, built 1928. Registration expired, pending cancellation. Owner: [Hiller Aviation Museum](https://openairdocs.org/faa-owner/HILLER%20AVIATION%20MUSEUM), [San Carlos, CA](https://openairdocs.org/faa-place/CA/San%20Carlos)
- [Cancelled 1972-11-02](https://openairdocs.org/deregistered/N6740-1972-11-02): Grumman OV-1D, S/N 61-2699. Owner: [Treasury Dept](https://openairdocs.org/faa-owner/TREASURY%20DEPT), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)

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