| Tail Number / N-Number | N90EM |
| Manufacturer | MASTERSON EDWARD J |
| Model | VARIEZE |
| Manufacturer's Serial Number | 1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | Individual |
| Owner Name | MATERSON EDWARD J |
| Street | 69 BUCKBOARD DR |
| City | WESTFORD |
| State | MA |
| Zip Code | 01886-2752 |
| Region | New England |
| County | Middlesex County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1998-04-23 |
| Certificate Issue Date | 2014-08-12 |
| Last Action Date | 2020-07-20 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 53066503 |
| Mode S Code Hex | AC6D43 |