| Tail Number / N-Number | N444L |
| Manufacturer | BEECH |
| Model | E-90 |
| Year Built | 1980 |
| Manufacturer's Serial Number | LW-344 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-28 |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 680 hp (507 kW) |
| Total Horsepower | 1,360 hp (1,015 kW) |
| Type of Registrant | LLC |
| Owner Name | PIERWEST AVIATION LLC |
| Street | 8720 JACK BATES AVE |
| City | TULSA |
| State | OK |
| Zip Code | 74132-4003 |
| Region | Southwestern |
| County | Tulsa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-12-05 |
| Certificate Issue Date | 2021-02-17 |
| Last Action Date | 2021-02-17 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 51255163 |
| Mode S Code Hex | A55A73 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N444L.
| Tail Number / N-Number | N444L |
| Manufacturer | CESSNA |
| Model | 320 |
| Year Built | 1962 |
| Manufacturer's Serial Number | 320-0081 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSI0-470-B |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 260 hp (194 kW) |
| Total Horsepower | 520 hp (388 kW) |
| Average Cruising Speed | 183 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | METROLINE AVIATION LLC |
| Street | 2670 INDUSTRIAL ROW DR |
| City | TROY |
| State | MI |
| Zip Code | 48084-7036 |
| County | Tulsa County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1962-07-11 |
| Certificate Issue Date | 2006-04-19 |
| Last Action Date | 2006-04-19 |
| Last Status | Valid Registration |
| Cancellation Date | 2006-11-06 |