Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N617SD.
| Tail Number / N-Number | N617SD |
| Manufacturer | SLINGSBY |
| Model | DART T.51 |
| Year Built | 1966 |
| Manufacturer's Serial Number | 1503 |
| 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 |
| Average Cruising Speed | 60 miles per hour |
| Type of Registrant | Individual |
| Owner Name | COOPER BRIAN A |
| Street | 523 TORI ST |
| City | OMRO |
| State | WI |
| Zip Code | 54963-2005 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-06-24 |
| Certificate Issue Date | 2011-09-12 |
| Last Action Date | 2012-09-13 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2018-01-05 |
| Mode S Code | 52005123 |
| Mode S Code Hex | A80A53 |