| Tail Number / N-Number | N89RB |
| Manufacturer | BARDEN |
| Model | THORP T-18 |
| Year Built | 1976 |
| Manufacturer's Serial Number | 895 |
| 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 | 95 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | DOUBLEDAY DONALD |
| Other Names |
|
| Street | 4117 LINKLEA DR |
| City | ALEDO |
| State | TX |
| Zip Code | 76008-3552 |
| Region | Southwestern |
| County | Parker County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-03-04 |
| Certificate Issue Date | 2018-11-03 |
| Last Action Date | 2021-06-13 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 53042164 |
| Mode S Code Hex | AC4474 |