Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N51050.
| Tail Number / N-Number | N51050 |
| Manufacturer | CONSOLIDATED VULTEE |
| Model | BT-13A |
| Manufacturer's Serial Number | 6817 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | PONDERA FLYING SERVICE |
| Street | XXX |
| City | CONRAD |
| State | MT |
| Zip Code | 59425 |
| Region | Northwest Mountain |
| Certificate Issue Date | 1959-01-29 |
| Last Status | Valid Registration |
| Cancellation Date | 1965-05-20 |
| Mode S Code | 51462217 |
| Mode S Code Hex | A6648F |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N51050.
| Tail Number / N-Number | N51050 |
| Manufacturer | MATICE ROBERT G |
| Model | ULTRA PUP |
| Manufacturer's Serial Number | UP0075LA |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Last Action Date | 1992-09-05 |
| Last Status | N-Number assigned as a Non Type Certificated (Amateur) but has not been registered that is pending cancellation |
| Cancellation Date | 2011-05-18 |
| Mode S Code | 51462217 |
| Mode S Code Hex | A6648F |