Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N251N.
| Tail Number / N-Number | N251N |
| Manufacturer | SUPERIOR AIRCRAFT CORPORATION |
| Model | SUPERIOR MONOPLANE |
| Year Built | 1929 |
| Manufacturer's Serial Number | 1 |
| 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 | Corporation |
| Owner Name | SUPERIOR AIRCRAFT CORP |
| Street | 2525 PENNWAY ST |
| City | KANSAS CITY |
| State | MO |
| Zip Code | 64101 |
| Region | Central |
| Country | US |
| Last Status | Valid Registration |
| Cancellation Date | 1930-04-04 |
| Mode S Code | 50456141 |
| Mode S Code Hex | A25C61 |