# N846: Delackner Helicopters DH4, registration cancelled 1972-01-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 4, 1972
- Status when cancelled: Valid registration
- Airframe: [Delackner Helicopters DH4](https://openairdocs.org/model/delackner-helicopters-dh4) (registry code 2850202)
- Serial number: 8
- Type of aircraft: Rotorcraft
- Certificate issued: February 6, 1957
- Mode S code: AB9622
- 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/N846
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=846
- Page: https://openairdocs.org/deregistered/N846-1972-01-04

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 N846

- [Registered now](https://openairdocs.org/aircraft/N846): Aviat PITTS S-2B, S/N 5257, built 1992
- [Cancelled 1929-11-27](https://openairdocs.org/deregistered/N846-1929-11-27): Waco 10, S/N 853. Owner: [Boyer Air Service Inc](https://openairdocs.org/faa-owner/BOYER%20AIR%20SERVICE%20INC), [Sikeston, MO](https://openairdocs.org/faa-place/MO/Sikeston)

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