| Tail Number / N-Number | N504WR |
| Manufacturer | YAKOVLEV |
| Model | YAK-50 |
| Year Built | 1981 |
| Manufacturer's Serial Number | 812104 |
| 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 | VEDENEYEV |
| Engine Model | M14P |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 350 hp (261 kW) |
| Type of Registrant | Individual |
| Owner Name | RIETDYK GUIDO |
| Street | 2130 E GLADWICK ST |
| City | RANCHO DOMINGUEZ |
| State | CA |
| Zip Code | 90220-6203 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2011-04-06 |
| Certificate Issue Date | 2015-05-07 |
| Last Action Date | 2021-01-06 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 51445320 |
| Mode S Code Hex | A64AD0 |