# N64N: Delackner Helicopters DH4, registration cancelled 1971-12-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 15, 1971
- Status when cancelled: Valid registration
- Airframe: [Delackner Helicopters DH4](https://openairdocs.org/model/delackner-helicopters-dh4) (registry code 2850202)
- Serial number: 1
- Type of aircraft: Rotorcraft
- Certificate issued: March 3, 1955
- Mode S code: A8640E
- Owner when cancelled: [Delackner Helicopters Inc](https://openairdocs.org/faa-owner/DELACKNER%20HELICOPTERS%20INC)
- Location: [Mount Vernon, NY](https://openairdocs.org/faa-place/NY/Mount%20Vernon)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N64N
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=64N
- Page: https://openairdocs.org/deregistered/N64N-1971-12-15

From the FAA registry file of October 31, 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 Delackner Helicopters DH4: https://openairdocs.org/model/delackner-helicopters-dh4.md

## Other aircraft with N64N

- [Registered now](https://openairdocs.org/aircraft/N64N): Cessna P337H, S/N P3370196, built 1974

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