| Tail Number / N-Number | N39DG |
| Manufacturer | SCHLEICHER |
| Model | ASW-20 |
| Manufacturer's Serial Number | 20356 |
| 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 | MCCABE ROBERT M |
| Street | 7101 CORNING RD |
| City | ZIONSVILLE |
| State | PA |
| Zip Code | 18092-2318 |
| Region | Eastern |
| County | Lehigh County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1982-03-19 |
| Certificate Issue Date | 2016-12-08 |
| Last Action Date | 2022-07-27 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 51100302 |
| Mode S Code Hex | A480C2 |