| Tail Number / N-Number | N3751L |
| Manufacturer | MIKOYAN GUREVICH |
| Model | MIG 21 UM |
| Manufacturer's Serial Number | 3751 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | KELSAY ROGER B |
| Street | PO BOX 928 |
| City | HILLSBORO |
| State | OR |
| Zip Code | 97123-0928 |
| Region | Northwest Mountain |
| County | Washington County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2022-03-31 |
| Last Action Date | 2022-03-31 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 51044344 |
| Mode S Code Hex | A448E4 |