# N100RS: Vertol H21B, registration cancelled 1976-05-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 12, 1976
- Status when cancelled: Valid registration
- Airframe: [Vertol H21B](https://openairdocs.org/model/vertol-h21b) (registry code 9420106)
- Serial number: 53-4371
- Type of aircraft: Rotorcraft
- Certificate issued: September 10, 1974
- Mode S code: A0063C
- Owner when cancelled: [Risley Lester V](https://openairdocs.org/faa-owner/RISLEY%20LESTER%20V)
- Location: [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N100RS
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=100RS
- Page: https://openairdocs.org/deregistered/N100RS-1976-05-12

From the FAA registry file of November 5, 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 H21B: https://openairdocs.org/model/vertol-h21b.md

## Other aircraft with N100RS

- [Registered now](https://openairdocs.org/aircraft/N100RS): Xag P100 PRO, S/N 1863FPEG8219425897PE
- [Cancelled 2013-03-14](https://openairdocs.org/deregistered/N100RS-2013-03-14): Mitsubishi MU-300, S/N A029 S.A., built 1982. Sale reported. Owner: [Xxx, OK](https://openairdocs.org/faa-place/OK/Xxx)

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