Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N173SS.
| Tail Number / N-Number | N173SS |
| Manufacturer | BURKHART GROB FLUGZEUGBAU |
| Model | G103 TWIN ASTIR |
| Year Built | 1980 |
| Manufacturer's Serial Number | 3286 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| 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 | SALE REPORTED |
| Street | UNKNOWN |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73125 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-07-18 |
| Last Action Date | 2002-06-11 |
| Last Status | Sale Reported – Pending Cancellation |
| Cancellation Date | 2013-04-18 |
| Mode S Code | 50222763 |
| Mode S Code Hex | A125F3 |