| Tail Number / N-Number | N21BP |
| Manufacturer | AEROSTAR INTERNATIONAL INC |
| Model | RX 8 |
| Year Built | 1991 |
| Manufacturer's Serial Number | RX8-3136 |
| Aircraft Type | Balloon |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | GRIFFES RUSSELL N |
| Street | 40 E 1850 N |
| City | OREM |
| State | UT |
| Zip Code | 84057-2229 |
| Region | Northwest Mountain |
| County | Utah County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1991-12-18 |
| Certificate Issue Date | 2015-02-11 |
| Last Action Date | 2021-01-19 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 50333520 |
| Mode S Code Hex | A1B750 |