| Tail Number / N-Number | N745K |
| Manufacturer | LEARJET INC |
| Model | 45 |
| Manufacturer's Serial Number | 245 |
| 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) |
| Number of Engines | 2 engines |
| Type of Registrant | LLC |
| Owner Name | 5B AVIATION LLC |
| Street | 942 S 42ND ST |
| City | DUNCAN |
| State | OK |
| Zip Code | 73533 |
| Region | Southwestern |
| County | Stephens County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2019-12-26 |
| Last Action Date | 2022-12-22 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 52402776 |
| Mode S Code Hex | AA05FE |