Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21MN.
| Tail Number / N-Number | N21MN |
| Manufacturer | DORNIER |
| Model | DO 28 D-1 |
| Year Built | 1968 |
| Manufacturer's Serial Number | 4005 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 15 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IGSO-540-B1A |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 380 hp (283 kW) |
| Total Horsepower | 760 hp (567 kW) |
| Average Cruising Speed | 114 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GIBSON H G |
| Street | APARTADO #127 DOS MIL |
| City | SAN JOSE |
| Country | CR |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1986-10-15 |
| Last Action Date | 2005-03-02 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-04-15 |
| Mode S Code | 50334111 |
| Mode S Code Hex | A1B849 |