| Tail Number / N-Number | N25MS |
| Manufacturer | SIREN |
| Model | PIK-20E2F |
| Year Built | 1981 |
| Manufacturer's Serial Number | 704 |
| 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 | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | MASON MARK L |
| Street | 1239 CORRINE AVE |
| City | IDAHO FALLS |
| State | ID |
| Zip Code | 83402-1753 |
| Region | Northwest Mountain |
| County | Bonneville County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1982-03-19 |
| Certificate Issue Date | 2001-01-25 |
| Last Action Date | 2021-12-15 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 50453111 |
| Mode S Code Hex | A25649 |