| Tail Number / N-Number | N51ST |
| Manufacturer | PITTS |
| Model | S-2A |
| Year Built | 1981 |
| Manufacturer's Serial Number | 2253 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | AEIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BASON JAMES G III |
| Street | 216 W 6TH ST |
| City | HOUSTON |
| State | TX |
| Zip Code | 77007-2403 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-09-29 |
| Certificate Issue Date | 2018-11-17 |
| Last Action Date | 2021-09-09 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 51460270 |
| Mode S Code Hex | A660B8 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N51ST.
| Tail Number / N-Number | N51ST |
| Manufacturer | AEROTEK |
| Model | PITTS S-2A |
| Year Built | 1977 |
| Manufacturer's Serial Number | 2146 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | AEIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 115 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GIBBONS B F |
| Street | 5428 W MAGNOLIA ST |
| City | ROGERS |
| State | AR |
| Zip Code | 72758-8418 |
| County | Harris County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-06-16 |
| Certificate Issue Date | 2003-05-09 |
| Last Action Date | 2003-05-09 |
| Last Status | Valid Registration |
| Cancellation Date | 2005-03-21 |
| Exported To | UNITED KINGDOM |