# N3997A: 1956 Para-Gyro HYDRO-COPTER, registration cancelled 2018-04-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 5, 2018
- Status when cancelled: Revoked, canceled
- Airframe: [Para-Gyro HYDRO-COPTER](https://openairdocs.org/model/para-gyro-hydro-copter) (registry code 05602Y7)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 77PGHC
- Year built: 1956
- Type of aircraft: Rotorcraft
- Airworthiness: Experimental, amateur built
- Last registry action: January 14, 1977
- Mode S code: A4A786
- Owner when cancelled: [Para Copter Inc](https://openairdocs.org/faa-owner/PARA%20COPTER%20INC)
- Location: [Lindenhurst, NY](https://openairdocs.org/faa-place/NY/Lindenhurst)
- Owner type: Corporation
- Owner's area on the map: 40.6858° N, 73.3716° W: Placed by OpenAirDocs: center of Lindenhurst, NY, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3997A
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3997A
- Page: https://openairdocs.org/deregistered/N3997A-2018-04-05

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 Para-Gyro HYDRO-COPTER: https://openairdocs.org/model/para-gyro-hydro-copter.md

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