| Tail Number / N-Number | N13LR |
| Manufacturer | SCHLEICHER |
| Model | ASW-20BL |
| Manufacturer's Serial Number | 20675 |
| Aircraft Type | Glider |
| 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 | PTACEK STEPHEN R |
| Street | 2934 ASPEN DR |
| City | ESTES PARK |
| State | CO |
| Zip Code | 80517-7001 |
| Region | Northwest Mountain |
| County | Larimer County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1985-06-26 |
| Certificate Issue Date | 2009-12-08 |
| Last Action Date | 2022-01-06 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 50074742 |
| Mode S Code Hex | A079E2 |