| Tail Number / N-Number | N66EP |
| Manufacturer | CESSNA |
| Model | 421B |
| Year Built | 1973 |
| Manufacturer's Serial Number | 421B0520 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CLIPPER AIR INC |
| Street | 28499 TOMBALL PKWY |
| City | TOMBALL |
| State | TX |
| Zip Code | 77375 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2018-03-12 |
| Last Action Date | 2021-03-04 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 52131122 |
| Mode S Code Hex | A8B252 |