| Tail Number / N-Number | N99666 |
| Manufacturer | ERCOUPE |
| Model | 415-C |
| Year Built | 1946 |
| Manufacturer's Serial Number | 2289 |
| 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 | LEMENAGER MARK A |
| Street | 1370 E 2300 NORTH RD |
| City | ASHKUM |
| State | IL |
| Zip Code | 60911-7032 |
| Region | Great Lakes |
| County | Iroquois County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-09-09 |
| Certificate Issue Date | 2017-02-06 |
| Last Action Date | 2022-10-06 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 53366066 |
| Mode S Code Hex | ADEC36 |