| Tail Number / N-Number | N3966H |
| Manufacturer | ERCOUPE |
| Model | 415-CD |
| Year Built | 1947 |
| Manufacturer's Serial Number | 4667 |
| 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 | ROKEBY RICHARD F |
| Street | 5722 E 5TH PL |
| City | TULSA |
| State | OK |
| Zip Code | 74112-2907 |
| Region | Southwestern |
| County | Tulsa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2005-09-29 |
| Last Action Date | 2021-01-11 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 51116105 |
| Mode S Code Hex | A49C45 |