| Tail Number / N-Number | N456JM |
| Manufacturer | CESSNA |
| Model | 340 |
| Year Built | 1974 |
| Manufacturer's Serial Number | 340-0535 |
| Aircraft Type | Fixed wing multi 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 | TSIO-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 300 hp (224 kW) |
| Total Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 88 miles per hour |
| Type of Registrant | LLC |
| Owner Name | LANDMARK AVIATION SERVICES LLC |
| Street | 709 TAILWIND PL |
| City | SARASOTA |
| State | FL |
| Zip Code | 34240-1208 |
| Region | Southern |
| County | Dade County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-03-24 |
| Certificate Issue Date | 2012-01-12 |
| Last Action Date | 2022-11-11 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 51304472 |
| Mode S Code Hex | A5893A |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N456JM.
| Tail Number / N-Number | N456JM |
| Manufacturer | SMITH |
| Model | AEROSTAR 601 |
| Manufacturer's Serial Number | 610342112 |
| Aircraft Type | Fixed wing multi 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) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 186 miles per hour |
| County | Dade County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |