| Tail Number / N-Number | N858RL |
| Manufacturer | LETO RICHARD G |
| Model | COZY MARK IV |
| Year Built | 2021 |
| Manufacturer's Serial Number | 828 |
| 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 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | LETO RICHARD G |
| Street | 11911 BOLTON CIR |
| City | PARKER |
| State | CO |
| Zip Code | 80134-3689 |
| Region | Northwest Mountain |
| County | Douglas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2021-10-09 |
| Certificate Issue Date | 2020-07-22 |
| Last Action Date | 2020-07-22 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 52743222 |
| Mode S Code Hex | ABC692 |