| Tail Number / N-Number | N146CZ |
| Manufacturer | MICHAEL NIEWIAROWICZ/JOHN LIND |
| Model | COZY MK IV |
| Year Built | 2020 |
| Manufacturer's Serial Number | 1465 |
| 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 | IO-360 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Co-Ownership |
| Owner Name | NIEWIAROWICZ MICHAEL J |
| Other Names |
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| Street | 5636 BLANCA ST |
| City | GOLDEN |
| State | CO |
| Zip Code | 80403-2153 |
| Region | Northwest Mountain |
| County | Jefferson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2020-12-09 |
| Certificate Issue Date | 2014-06-24 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 50134504 |
| Mode S Code Hex | A0B944 |