Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N5959M.
| Tail Number / N-Number | N5959M |
| Manufacturer | CESSNA |
| Model | 421B |
| Year Built | 1971 |
| Manufacturer's Serial Number | 421B0202 |
| 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 | GTSI0-520-F-K |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 435 hp (325 kW) |
| Total Horsepower | 870 hp (649 kW) |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WHITTENBURG EDWARD L |
| Street | 5303 BOYCE SPRINGS |
| City | HOUSTON |
| State | TX |
| Zip Code | 77040 |
| Country | US |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1972-04-11 |
| Last Action Date | 1977-01-14 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2013-03-26 |
| Mode S Code | 51731631 |
| Mode S Code Hex | A7B399 |