| Tail Number / N-Number | N821UM |
| Manufacturer | SOCATA |
| Model | TB 30 EPSILON |
| Year Built | 1985 |
| Manufacturer's Serial Number | 43 |
| 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 | AEIO-540 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | Corporation |
| Owner Name | COASTAL DEFENSE INC |
| Street | 155 ORCHARD HILL LN |
| City | MILL HALL |
| State | PA |
| Zip Code | 17751-8890 |
| Region | Eastern |
| County | Clinton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2017-10-19 |
| Certificate Issue Date | 2019-03-07 |
| Last Action Date | 2021-10-14 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 52633140 |
| Mode S Code Hex | AB3660 |