| Tail Number / N-Number | N77AU |
| Manufacturer | SCHEMPP-HIRTH |
| Model | DISCUS B |
| Manufacturer's Serial Number | 77 |
| 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) |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | CODER DON ERDMAN |
| Street | 2701 SHADOW WOOD CT |
| City | ARLINGTON |
| State | TX |
| Zip Code | 76006-2787 |
| Region | Southwestern |
| County | Tarrant County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2008-11-07 |
| Last Action Date | 2021-05-17 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 52463301 |
| Mode S Code Hex | AA66C1 |