| Tail Number / N-Number | N11DC |
| Manufacturer | THORP |
| Model | T-18 |
| Manufacturer's Serial Number | 31 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | LLC |
| Owner Name | 11DC LLC |
| Street | 3751 W 126TH AVE |
| City | BROOMFIELD |
| State | CO |
| Zip Code | 80020-5367 |
| Region | Northwest Mountain |
| County | Boulder County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1979-10-17 |
| Certificate Issue Date | 2018-06-06 |
| Last Action Date | 2021-01-19 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 50025050 |
| Mode S Code Hex | A02A28 |