# N444SQ: 1968 Douglas DC-6B, registration cancelled 2018-01-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 23, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Douglas DC-6B](https://openairdocs.org/model/douglas-dc-6b) (registry code 3021712)
- Engine: [Pratt & Whitney R-2800 series](https://openairdocs.org/engine/pratt-whitney-r-2800-series) (registry code 52026)
- Data sheets: [TCDS 6A4](https://openairdocs.org/tcds/6A4) (OpenAirDocs)
- Serial number: 45320
- Year built: 1968
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, transport
- Airworthiness date: June 5, 1975
- Certificate issued: January 31, 1998
- Last registry action: May 2, 2007
- Mode S code: A55B18
- Owner when cancelled: [Nighthawk Air Systems Inc](https://openairdocs.org/faa-owner/NIGHTHAWK%20AIR%20SYSTEMS%20INC)
- Location: [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)
- Owner type: Corporation
- Owner's area on the map: 25.6075° N, 80.3433° W: Placed by OpenAirDocs at the center of ZIP code 33157, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N444SQ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=444SQ
- Page: https://openairdocs.org/deregistered/N444SQ-2018-01-23

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 Douglas DC-6B: https://openairdocs.org/model/douglas-dc-6b.md

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