Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21UF.
| Tail Number / N-Number | N21UF |
| Manufacturer | ULTRA FLYTE INC |
| Model | NOSTALGAIR N-3 PUP |
| Manufacturer's Serial Number | 0884A02069 |
| 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 |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1990-07-31 |
| Mode S Code | 50334361 |
| Mode S Code Hex | A1B8F1 |