| Tail Number / N-Number | N3900H |
| Manufacturer | ENGINEERING & RESEARCH |
| Model | ERCOUPE 415-CD |
| Year Built | 1947 |
| Manufacturer's Serial Number | 4601 |
| 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 | C85 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GRAZIANO THOMAS K |
| Street | PO BOX 2042 |
| City | BENSON |
| State | AZ |
| Zip Code | 85602-2042 |
| Region | Western-Pacific |
| County | Cochise County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-09-26 |
| Certificate Issue Date | 2007-05-02 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51102451 |
| Mode S Code Hex | A48529 |