Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N121TJ.
| Tail Number / N-Number | N121TJ |
| Manufacturer | MIKOYAN GUREVICH |
| Model | MIG 21 UT |
| Year Built | 1967 |
| Manufacturer's Serial Number | 4718 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | SOUTH FLORIDA ANTIQUITIES DEFENSE MUSEUM |
| Street | 2243 PECK ST |
| City | FORT MYERS |
| State | FL |
| Zip Code | 33901-3640 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1998-04-06 |
| Certificate Issue Date | 2008-09-17 |
| Last Action Date | 2008-09-17 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2015-05-13 |
| Mode S Code | 50054433 |
| Mode S Code Hex | A0591B |