# N9552A: Helio HST-550A, registration cancelled 1972-05-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 19, 1972
- Status when cancelled: Valid registration
- Airframe: [Helio HST-550A](https://openairdocs.org/model/helio-hst-550a) (registry code 4301006)
- Data sheets: [TCDS A4EA](https://openairdocs.org/tcds/A4EA) (OpenAirDocs)
- Serial number: 003
- Type of aircraft: Fixed wing single engine
- Certificate issued: August 6, 1969
- Mode S code: AD49D9
- Owner when cancelled: [Helio Aircraft Co](https://openairdocs.org/faa-owner/HELIO%20AIRCRAFT%20CO)
- Location: [Bedford, MA](https://openairdocs.org/faa-place/MA/Bedford)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N9552A
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9552A
- Page: https://openairdocs.org/deregistered/N9552A-1972-05-19

From the FAA registry file of November 4, 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 Helio HST-550A: https://openairdocs.org/model/helio-hst-550a.md

## Other aircraft with N9552A

- [Registered now](https://openairdocs.org/aircraft/N9552A): Cessna 172R, S/N 17280531, built 1998
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N9552A-undated): Cessna 170A, S/N 19113. Owner: [Cessna Aircraft Co](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20CO)

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