| Tail Number / N-Number | N777QL |
| Manufacturer | LEARJET INC |
| Model | 45 |
| Year Built | 2002 |
| Manufacturer's Serial Number | 216 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | ALLIEDSIGN |
| Engine Model | TFE731 SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 3,500 pounds-force (15.6 kN) |
| Total Thrust | 7,000 pounds-force (31.1 kN) |
| Type of Registrant | LLC |
| Owner Name | NORTHERNAIR LLC |
| Street | PO BOX 50 |
| City | MINOCQUA |
| State | WI |
| Zip Code | 54548-0050 |
| Region | Great Lakes |
| County | Oneida County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2005-09-23 |
| Certificate Issue Date | 2022-04-20 |
| Last Action Date | 2022-04-20 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 52502161 |
| Mode S Code Hex | AA8471 |