# N37721: 1974 Sikorsky H-34, registration cancelled 1977-01-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 24, 1977
- Exported to: Brazil
- Status when cancelled: Valid registration
- Airframe: [Sikorsky H-34](https://openairdocs.org/model/sikorsky-h-34) (registry code 8141810)
- Serial number: 58-1523
- Year built: 1974
- Type of aircraft: Rotorcraft
- Certificate issued: April 3, 1974
- Mode S code: A45084
- Owner when cancelled: [Sikorsky Aircraft](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT)
- Location: [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N37721
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=37721
- Page: https://openairdocs.org/deregistered/N37721-1977-01-24

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 Sikorsky H-34: https://openairdocs.org/model/sikorsky-h-34.md

## Other aircraft with N37721

- [Cancelled 1951-11-29](https://openairdocs.org/deregistered/N37721-1951-11-29): Porterfield FP-65, S/N 941, built 1941. Owner: [Bassett And Comapny Flying Service](https://openairdocs.org/faa-owner/BASSETT%20AND%20COMAPNY%20FLYING%20SERVICE), [Santa Paula, CA](https://openairdocs.org/faa-place/CA/Santa%20Paula)
- [Cancelled 1951-08-16](https://openairdocs.org/deregistered/N37721-1951-08-16): Rearwin 180F, S/N 1562. Owner: [Kelly Laverne W](https://openairdocs.org/faa-owner/KELLY%20LAVERNE%20W)

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