| Tail Number / N-Number | N4YX |
| Manufacturer | FROELICH ROBERT E |
| Model | LANCAIR IV |
| Year Built | 2015 |
| Manufacturer's Serial Number | LIV 017 |
| 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 | CONT MOTOR |
| Engine Model | TSIO-550-B |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 350 hp (261 kW) |
| Type of Registrant | Individual |
| Owner Name | FROELICH ROBERT E |
| Street | 2369 LEISURE WORLD |
| City | MESA |
| State | AZ |
| Zip Code | 85206-5410 |
| Region | Western-Pacific |
| County | Maricopa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2015-07-07 |
| Certificate Issue Date | 2010-07-28 |
| Last Action Date | 2020-05-12 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 51125053 |
| Mode S Code Hex | A4AA2B |