| Tail Number / N-Number | N550JM |
| Manufacturer | HUGHES HELICOPTERS INC |
| Model | 369E |
| Year Built | 1982 |
| Manufacturer's Serial Number | 0013E |
| Aircraft Type | Rotorcraft |
| 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 | ALLISON |
| Engine Model | 250-C20 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 420 hp (313 kW) |
| Type of Registrant | Corporation |
| Owner Name | NATIONAL AGGREGATES INC |
| Street | PO BOX 340 |
| City | MALVERN |
| State | OH |
| Zip Code | 44644-0340 |
| Region | Great Lakes |
| County | Carroll County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-01-19 |
| Certificate Issue Date | 2018-09-24 |
| Last Action Date | 2021-04-21 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 51600077 |
| Mode S Code Hex | A7003F |