| Tail Number / N-Number | N3TT |
| Manufacturer | THEISEN |
| Model | DER JAGER D-9 |
| Year Built | 1973 |
| Manufacturer's Serial Number | 40 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Average Cruising Speed | 85 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WITHERSPOON DENNIS D |
| Street | 30826 SADDLE BUTTE RD |
| City | SHEDD |
| State | OR |
| Zip Code | 97377-9745 |
| Region | Northwest Mountain |
| County | Linn County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1975-07-17 |
| Certificate Issue Date | 2010-05-21 |
| Last Action Date | 2020-05-20 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 50616133 |
| Mode S Code Hex | A31C5B |