| Tail Number / N-Number | N57CG |
| Manufacturer | SCHEMPP-HIRTH FLUGZEUGBAU |
| Model | DUO DISCUS |
| Year Built | 1999 |
| Manufacturer's Serial Number | 217 |
| 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 | Corporation |
| Owner Name | CHICAGO GLIDER CLUB |
| Street | 26045 W AIRPORT RD |
| City | MINOOKA |
| State | IL |
| Zip Code | 60447-9221 |
| Region | Great Lakes |
| County | Grundy County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-08-02 |
| Certificate Issue Date | 1999-07-21 |
| Last Action Date | 2020-11-07 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 51646111 |
| Mode S Code Hex | A74C49 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N57CG.
| Tail Number / N-Number | N57CG |
| Manufacturer | GARDNER RICHARD T |
| Model | RV-4 |
| Manufacturer's Serial Number | 57 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | GARDNER RICHARD T |
| Street | 13946 JANWOOD LN |
| City | FARMERS BRANCH |
| State | TX |
| Zip Code | 75234 |
| Region | Southwestern |
| County | Grundy County |
| Certificate Issue Date | 1981-04-03 |
| Last Status | Valid Registration |
| Cancellation Date | 1985-02-01 |