| Tail Number / N-Number | N641RT |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2006 |
| Manufacturer's Serial Number | 11384 |
| 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 | LYCOMING |
| Engine Model | IO-540-AE1A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | LLC |
| Owner Name | THOMAS HELICOPTERS & AVIATION LLC |
| Street | 3797 CARRIE LN |
| City | COMMERCE TOWNSHIP |
| State | MI |
| Zip Code | 48390-1017 |
| Region | Great Lakes |
| County | Cheboygan County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-08-08 |
| Certificate Issue Date | 2016-07-06 |
| Last Action Date | 2022-05-09 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 52065173 |
| Mode S Code Hex | A86A7B |