| Tail Number / N-Number | N617T |
| Manufacturer | SCHEMPP-HIRTH FLUGZEUGBAU |
| Model | DUO DISCUS |
| Manufacturer's Serial Number | 210 |
| 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 | LLC |
| Owner Name | DUO AVIATION LLC |
| Street | C/O MARVIN C HUSS 24831 BEN KELLY RD |
| City | ELBERT |
| State | CO |
| Zip Code | 80106-9518 |
| Region | Northwest Mountain |
| County | Elbert County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2000-08-09 |
| Last Action Date | 2020-08-28 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 52005150 |
| Mode S Code Hex | A80A68 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N617T.
| Tail Number / N-Number | N617T |
| Manufacturer | BEECH |
| Model | K35 |
| Manufacturer's Serial Number | D-5777 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | GRIFFITH JOHN H CO |
| Street | 710 COLUMBIA BLVD |
| City | PORTLAND |
| State | OR |
| Zip Code | 97217 |
| Region | Northwest Mountain |
| County | Elbert County |
| Certificate Issue Date | 1975-11-20 |
| Last Status | Valid Registration |
| Cancellation Date | 1977-07-12 |