| Tail Number / N-Number | N40PB |
| Manufacturer | STEMME GMBH & CO |
| Model | STEMME S 12 |
| Year Built | 2018 |
| Manufacturer's Serial Number | 12-017 |
| Aircraft Type | Glider |
| 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 | ROTAX |
| Engine Model | 914 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | LLC |
| Owner Name | EXTREME AIR LLC |
| Street | 4660 VIA HUERTO |
| City | SANTA BARBARA |
| State | CA |
| Zip Code | 93110-2326 |
| Region | Western-Pacific |
| County | Santa Barbara County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-06-12 |
| Certificate Issue Date | 2018-08-14 |
| Last Action Date | 2021-07-24 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51125617 |
| Mode S Code Hex | A4AB8F |