| Tail Number / N-Number | N550MK |
| Manufacturer | CESSNA |
| Model | 550 |
| Year Built | 2001 |
| Manufacturer's Serial Number | 550-0974 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | 530A |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 4,000 pounds-force (17.8 kN) |
| Total Thrust | 8,000 pounds-force (35.6 kN) |
| Type of Registrant | LLC |
| Owner Name | WORLDWIDE OPTION LLC |
| Street | 8191 N TAMIAMI TRAIL STE 175 |
| City | SARASOTA |
| State | FL |
| Zip Code | 34243 |
| Region | Southern |
| County | Dade County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2022-05-19 |
| Certificate Issue Date | 2022-04-20 |
| Last Action Date | 2022-04-20 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 51600210 |
| Mode S Code Hex | A70088 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N550MK.
| Tail Number / N-Number | N550MK |
| Manufacturer | CESSNA |
| Model | A185F |
| Year Built | 1973 |
| Manufacturer's Serial Number | 18502171 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO-550 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KLEINHEINZ MICHAEL R |
| Street | 77 COURT ST STE 1036 |
| City | LACONIA |
| State | NH |
| Zip Code | 03246-3634 |
| County | Dade County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-08-04 |
| Certificate Issue Date | 1999-09-28 |
| Last Action Date | 2004-03-16 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2005-02-16 |
| Exported To | CANADA |