| Tail Number / N-Number | N3678H |
| Manufacturer | ERCOUPE |
| Model | 415-C |
| Year Built | 1946 |
| Manufacturer's Serial Number | 4303 |
| 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 | ADAMS WILLIAM E JR |
| Street | 15303 S 81ST WEST AVE |
| City | KIEFER |
| State | OK |
| Zip Code | 74041-5601 |
| Region | Southwestern |
| County | Creek County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-12-01 |
| Certificate Issue Date | 2013-09-12 |
| Last Action Date | 2022-06-06 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51024705 |
| Mode S Code Hex | A429C5 |