| Tail Number / N-Number | N666N |
| Manufacturer | WACO |
| Model | CTO |
| Year Built | 1930 |
| Manufacturer's Serial Number | 3117 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WRIGHT |
| Engine Model | 760A B D E&ET |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 250 hp (187 kW) |
| Average Cruising Speed | 79 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | LEPRECHAUN AIR SERVICE INC |
| Street | PO BOX 924 |
| City | SYRACUSE |
| State | KS |
| Zip Code | 67878-0924 |
| Region | Central |
| County | Hamilton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2001-03-09 |
| Last Action Date | 2022-07-06 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 52145657 |
| Mode S Code Hex | A8CBAF |