| Tail Number / N-Number | N54YZ |
| Manufacturer | PENNINGTON GARY W |
| Model | LANCAIR ES |
| Year Built | 2012 |
| Manufacturer's Serial Number | ES-171 |
| 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 | IO-550-N |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Kit Manufacturer | LANCAIR INTL INC |
| Kit Model | LANCAIR ES |
| Type of Registrant | LLC |
| Owner Name | BIGCAP LLC |
| Street | 3511 SILVERSIDE RD STE 105 |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19810-4902 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2012-01-20 |
| Certificate Issue Date | 2016-10-28 |
| Last Action Date | 2022-05-26 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51553721 |
| Mode S Code Hex | A6D7D1 |