| Tail Number / N-Number | N231EM |
| Manufacturer | MASON-EDMUND |
| Model | THORP T-18 |
| Year Built | 2014 |
| Manufacturer's Serial Number | 556 |
| 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 | O-290 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 125 hp (93 kW) |
| Type of Registrant | Individual |
| Owner Name | HADLEY EVERETT F |
| Street | 21 CLEAR VIEW DR |
| City | BROOKLYN |
| State | CT |
| Zip Code | 06234-2020 |
| Region | New England |
| County | Windham County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2014-07-12 |
| Certificate Issue Date | 2012-03-26 |
| Last Action Date | 2020-10-23 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 50406247 |
| Mode S Code Hex | A20CA7 |