| Tail Number / N-Number | N20NM |
| Manufacturer | AGUSTA SPA |
| Model | A109C |
| Manufacturer's Serial Number | 7661 |
| Aircraft Type | Rotorcraft |
| 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 | ALLISON |
| Engine Model | 250-C20 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 420 hp (313 kW) |
| Total Horsepower | 840 hp (627 kW) |
| Type of Registrant | Corporation |
| Owner Name | OBRIEN HELICOPTERS INC |
| Street | 1232 CHOPTANK RD |
| City | MIDDLETOWN |
| State | DE |
| Zip Code | 19709-9038 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1992-02-10 |
| Certificate Issue Date | 2017-12-19 |
| Last Action Date | 2020-11-24 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 50310342 |
| Mode S Code Hex | A190E2 |