# N841: Delackner Helicopters DH4, registration cancelled 1957-05-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 16, 1957
- Status when cancelled: Valid registration
- Airframe: [Delackner Helicopters DH4](https://openairdocs.org/model/delackner-helicopters-dh4) (registry code 2850202)
- Serial number: 3
- Type of aircraft: Rotorcraft
- Certificate issued: June 29, 1956
- Mode S code: AB838F
- Owner when cancelled: [De Lackner Helicopter Inc](https://openairdocs.org/faa-owner/DE%20LACKNER%20HELICOPTER%20INC)
- Location: [Mount Vernon, NY](https://openairdocs.org/faa-place/NY/Mount%20Vernon)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N841
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=841
- Page: https://openairdocs.org/deregistered/N841-1957-05-16

From the FAA registry file of October 29, 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 N841

- [Cancelled 1990-08-29](https://openairdocs.org/deregistered/N841-1990-08-29): Scott BABY GREAT LAKES, S/N 13219A. N-number assigned, not yet registered

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