| Tail Number / N-Number | N54271 |
| Manufacturer | GROSS BERNARD |
| Model | PIONEER II |
| Year Built | 1985 |
| Manufacturer's Serial Number | 3 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 0 engines |
| Type of Registrant | Corporation |
| Owner Name | WINGS OF HISTORY AIR MUSEUM |
| Street | PO BOX 495 |
| City | SAN MARTIN |
| State | CA |
| Zip Code | 95046-0495 |
| Region | Western-Pacific |
| County | Santa Clara County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1985-09-10 |
| Certificate Issue Date | 2001-02-08 |
| Last Action Date | 2022-02-24 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51561301 |
| Mode S Code Hex | A6E2C1 |