| Tail Number / N-Number | N25561 |
| Manufacturer | CONTINENTAL COPTERS-TRANSWORLD |
| Model | TOM CAT MARK 5A |
| Year Built | 1975 |
| Manufacturer's Serial Number | TC-TWH-1 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | VO-435 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Average Cruising Speed | 71 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HENDRICKSON FLYING SERVICE INC |
| Street | 21532 QUITNO RD |
| City | ROCHELLE |
| State | IL |
| Zip Code | 61068-9413 |
| Region | Great Lakes |
| County | Ogle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1992-04-02 |
| Certificate Issue Date | 2011-05-18 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 50466525 |
| Mode S Code Hex | A26D55 |