| Tail Number / N-Number | N66SG |
| Manufacturer | LEARJET INC |
| Model | 45 |
| Year Built | 2000 |
| Manufacturer's Serial Number | 073 |
| 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 | AIRESEARCH |
| Engine Model | TFE731 SER |
| Engine Type | Turbo-jet |
| 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 | Corporation |
| Owner Name | NORTH COAST AVIATION |
| Street | 3841 LAPLAYA LN |
| City | ORCHARD LAKE |
| State | MI |
| Zip Code | 48324-2940 |
| Region | Great Lakes |
| County | Oakland County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2000-01-31 |
| Certificate Issue Date | 2016-07-19 |
| Last Action Date | 2022-03-04 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 52131567 |
| Mode S Code Hex | A8B377 |