| Tail Number / N-Number | N491DM |
| Manufacturer | BEECH |
| Model | C-45H |
| Year Built | 1952 |
| Manufacturer's Serial Number | 52-10643 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 450 hp (336 kW) |
| Total Horsepower | 900 hp (671 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | LLC |
| Owner Name | RST AVIATION LLC |
| Street | 2224 5TH CT SE |
| City | VERO BEACH |
| State | FL |
| Zip Code | 32962-8327 |
| Region | Southern |
| County | Indian River County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1964-08-21 |
| Certificate Issue Date | 2021-10-05 |
| Last Action Date | 2021-10-05 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 51412046 |
| Mode S Code Hex | A61426 |