# N673NA: Vertol CH21C, registration cancelled 1971-02-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 3, 1971
- Status when cancelled: Valid registration
- Airframe: [Vertol CH21C](https://openairdocs.org/model/vertol-ch21c) (registry code 9420110)
- Serial number: 56-4344
- Type of aircraft: Rotorcraft
- Mode S code: A8E80A
- Owner when cancelled: [National Aeronautics And Space Administration](https://openairdocs.org/faa-owner/NATIONAL%20AERONAUTICS%20AND%20SPACE%20ADMINISTRATION)
- Location: [Wallops Station, VA](https://openairdocs.org/faa-place/VA/Wallops%20Station)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N673NA
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=673NA
- Page: https://openairdocs.org/deregistered/N673NA-1971-02-03

From the FAA registry file of November 3, 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 Vertol CH21C: https://openairdocs.org/model/vertol-ch21c.md

## Other aircraft with N673NA

- [Registered now](https://openairdocs.org/aircraft/N673NA): Zipline International P2 ZIP, S/N 18735P2919

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