# N997MC: Hughes TH-55A, registration cancelled 1989-03-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 21, 1989
- Status when cancelled: Triennial form not returned
- Airframe: [Hughes TH-55A](https://openairdocs.org/model/hughes-th-55a) (registry code 4471004)
- Data sheets: [TCDS 4H12](https://openairdocs.org/tcds/4H12) (OpenAirDocs)
- Serial number: 6418224
- Type of aircraft: Rotorcraft
- Mode S code: ADEDBA
- The mark today: https://openairdocs.org/aircraft/N997MC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=997MC
- Page: https://openairdocs.org/deregistered/N997MC-1989-03-21

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 Hughes TH-55A: https://openairdocs.org/model/hughes-th-55a.md

## Other aircraft with N997MC

- [Registered now](https://openairdocs.org/aircraft/N997MC): Cessna 172R, S/N 17280039, built 1997

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