| Tail Number / N-Number | N338X |
| Manufacturer | STOL QUEST FOUR LLC |
| Model | SQ 4 |
| Year Built | 2012 |
| Manufacturer's Serial Number | 001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O-360-A1A |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | MATHIES ART |
| Street | 11781 BARR RD |
| City | ANCHORAGE |
| State | AK |
| Zip Code | 99516-2164 |
| Region | Alaskan |
| County | Anchorage Municipality |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2012-08-14 |
| Certificate Issue Date | 2017-12-04 |
| Last Action Date | 2020-07-20 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 50732624 |
| Mode S Code Hex | A3B594 |