| Tail Number / N-Number | N421MM |
| Type of Reservation | 2 year hold for canceled N-numbers |
| Reserving Party Name | CANCELLED/NOT ASSIGNED |
| Date Reserved | 2021-03-17 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N421MM.
| Tail Number / N-Number | N421MM |
| Manufacturer | CESSNA |
| Model | 421B |
| Year Built | 1974 |
| Manufacturer's Serial Number | 421B0804 |
| 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 | 172 miles per hour |
| Type of Registrant | LLC |
| Owner Name | HAT INVESTMENTS LLC |
| Street | 223 NORTHEAST DR |
| City | SPARTANBURG |
| State | SC |
| Zip Code | 29303-6617 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1974-10-21 |
| Certificate Issue Date | 2018-02-06 |
| Last Action Date | 2018-02-06 |
| Last Status | Registration Expired |
| Cancellation Date | 2021-03-17 |