Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N550DT.
| Tail Number / N-Number | N550DT |
| Manufacturer | SIKORSKY |
| Model | UH-19D |
| Year Built | 1956 |
| Manufacturer's Serial Number | 55-3208 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WRIGHT |
| Engine Model | C7BA SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 800 hp (597 kW) |
| Average Cruising Speed | 71 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HELICOPTER SVC INC |
| Street | 1605 CHARLESTON 3 |
| City | LAS VEGAS |
| State | NV |
| Zip Code | 89104 |
| Country | US |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1973-04-23 |
| Certificate Issue Date | 1978-11-02 |
| Last Action Date | 1988-04-16 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-08-15 |
| Mode S Code | 51577710 |
| Mode S Code Hex | A6FFC8 |