| Tail Number / N-Number | N421AC |
| Manufacturer | MOONEY |
| Model | M20E |
| Year Built | 1966 |
| Manufacturer's Serial Number | 1066 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | I0360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Individual |
| Owner Name | CLELAND ANDREW W |
| Street | 137 S STATE RD |
| City | UPPER DARBY |
| State | PA |
| Zip Code | 19082-3010 |
| Region | Eastern |
| County | Delaware County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-03-18 |
| Certificate Issue Date | 2009-08-28 |
| Last Action Date | 2021-02-14 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51177531 |
| Mode S Code Hex | A4FF59 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N421AC.
| Tail Number / N-Number | N421AC |
| Manufacturer | CESSNA |
| Model | 411 |
| Year Built | 1965 |
| Manufacturer's Serial Number | 411-0067 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | GTSIO-520-C |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 340 hp (254 kW) |
| Total Horsepower | 680 hp (507 kW) |
| Average Cruising Speed | 198 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | TRANSPORTES AEREO EL CISNE |
| Street | 391 ARAGON AVE |
| City | CORAL GABLES |
| State | FL |
| Zip Code | 33134 |
| County | Delaware County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1965-08-16 |
| Certificate Issue Date | 1978-06-14 |
| Last Action Date | 1982-06-17 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2012-11-20 |