# N550DT: 1956 Sikorsky UH-19D, registration cancelled 2013-08-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 15, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Sikorsky UH-19D](https://openairdocs.org/model/sikorsky-uh-19d) (registry code 814161G)
- Engine: [Wright C7BA series](https://openairdocs.org/engine/wright-c7ba-series) (registry code 67017)
- Data sheets: [TCDS HR1SO](https://openairdocs.org/tcds/HR1SO) (OpenAirDocs)
- Serial number: 55-3208
- Year built: 1956
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Restricted, other, aerial surveying, patrolling
- Airworthiness date: April 23, 1973
- Certificate issued: November 2, 1978
- Last registry action: April 16, 1988
- Mode S code: A6FFC8
- Owner when cancelled: [Helicopter Svc Inc](https://openairdocs.org/faa-owner/HELICOPTER%20SVC%20INC)
- Location: [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas)
- Owner type: Corporation
- Owner's area on the map: 36.1512° N, 115.1094° W: Placed by OpenAirDocs at the center of ZIP code 89104, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N550DT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=550DT
- Page: https://openairdocs.org/deregistered/N550DT-2013-08-15

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 Sikorsky UH-19D: https://openairdocs.org/model/sikorsky-uh-19d.md

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