| Tail Number / N-Number | N2121H |
| Manufacturer | ENGINEERING & RESEARCH |
| Model | ERCOUPE 415-C |
| Year Built | 1946 |
| Manufacturer's Serial Number | 2744 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | A&C75 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 75 hp (56 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | POULOS NICHOLAS |
| Street | 187 TRIPLE CREEK TRL |
| City | ANDERSONVILLE |
| State | GA |
| Zip Code | 31711-7000 |
| Region | Southern |
| County | Sumter County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2020-07-28 |
| Last Action Date | 2020-07-28 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50341563 |
| Mode S Code Hex | A1C373 |