| Tail Number / N-Number | N44LS |
| Manufacturer | CIRRUS DESIGN CORP |
| Model | SF50 |
| Year Built | 2019 |
| Manufacturer's Serial Number | 0133 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WILLIAMS |
| Engine Model | FJ33-5A |
| Engine Type | Turbo-fan |
| Number of Engines | 1 engine |
| Thrust | 2,000 pounds-force (8.9 kN) |
| Type of Registrant | LLC |
| Owner Name | DEN ENTERPRISES LLC |
| Street | 4101 WOODEN SHOE LN |
| City | PEOA |
| State | UT |
| Zip Code | 84061-9709 |
| Region | Northwest Mountain |
| County | Summit County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2019-07-26 |
| Certificate Issue Date | 2019-09-11 |
| Last Action Date | 2022-10-14 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51244517 |
| Mode S Code Hex | A5494F |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N44LS.
| Tail Number / N-Number | N44LS |
| Manufacturer | STRATTON LEON |
| Model | CHALLENGER II SPEC |
| Year Built | 1991 |
| Manufacturer's Serial Number | CH21190CW0589 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | STRATTON LEON STEVEN |
| Street | 3101 WHITE OAK LN |
| City | OAK BROOK |
| State | IL |
| Zip Code | 60521 |
| County | Summit County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1991-06-24 |
| Certificate Issue Date | 1991-03-08 |
| Last Action Date | 2007-01-30 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-07-02 |