| Tail Number / N-Number | N120J |
| Manufacturer | BUTLER JOHN R |
| Model | SX 300 |
| Year Built | 1988 |
| Manufacturer's Serial Number | 60 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-540 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | Corporation |
| Owner Name | RAINBOW SPORTS INC |
| Street | PO BOX 3370 |
| City | ENID |
| State | OK |
| Zip Code | 73702-3370 |
| Region | Southwestern |
| County | Garfield County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1988-07-06 |
| Certificate Issue Date | 2009-01-14 |
| Last Action Date | 2021-11-24 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 50052172 |
| Mode S Code Hex | A0547A |