| Tail Number / N-Number | N121GR |
| Manufacturer | AEROTEK |
| Model | PITTS S-2A |
| Year Built | 1978 |
| Manufacturer's Serial Number | 2159 |
| 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 | SIMMONS SCOTT J |
| Street | 1150 E AMADO RD UNIT 16A2 |
| City | PALM SPRINGS |
| State | CA |
| Zip Code | 92262-0034 |
| Region | Western-Pacific |
| County | Riverside County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-10-27 |
| Certificate Issue Date | 1998-05-18 |
| Last Action Date | 2022-12-14 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 50054017 |
| Mode S Code Hex | A0580F |