| Tail Number / N-Number | N87MK |
| Manufacturer | CESSNA |
| Model | 421B |
| Year Built | 1974 |
| Manufacturer's Serial Number | 421B0808 |
| 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 | LEISURE EXPRESS LLC |
| Street | 8677 190TH ST E |
| City | FARIBAULT |
| State | MN |
| Zip Code | 55021-8001 |
| Region | Great Lakes |
| County | Rice County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1974-11-01 |
| Certificate Issue Date | 2021-03-15 |
| Last Action Date | 2021-05-17 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 52772432 |
| Mode S Code Hex | ABF51A |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N87MK.
| Tail Number / N-Number | N87MK |
| Manufacturer | CESSNA |
| Model | 182J |
| Year Built | 1966 |
| Manufacturer's Serial Number | 18257392 |
| 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 | CONT MOTOR |
| Engine Model | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 230 hp (172 kW) |
| Average Cruising Speed | 119 miles per hour |
| Type of Registrant | Individual |
| Owner Name | FLORES E ALEX |
| Street | 7 VIEUX CARRE |
| City | MISSOURI CITY |
| State | TX |
| Zip Code | 77459-2101 |
| County | Rice County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-07-14 |
| Certificate Issue Date | 2009-07-20 |
| Last Action Date | 2011-12-26 |
| Last Status | First Notice for Registration Renewal |
| Cancellation Date | 2014-10-21 |