| Tail Number / N-Number | N20AB |
| Manufacturer | SCHLEICHER |
| Model | ASW-20 |
| Year Built | 1980 |
| Manufacturer's Serial Number | 20338 |
| 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 | TANNER ROGER J |
| Street | 4440 KNOX AVE |
| City | ROSAMOND |
| State | CA |
| Zip Code | 93560-6430 |
| Region | Western-Pacific |
| County | Kern County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-10-07 |
| Certificate Issue Date | 2006-06-06 |
| Last Action Date | 2020-02-13 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50307654 |
| Mode S Code Hex | A18FAC |