| Tail Number / N-Number | N539H |
| Manufacturer | ENSTROM |
| Model | F-28C |
| Year Built | 1976 |
| Manufacturer's Serial Number | 334 |
| 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 | I0360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SHARKEY'S HELICOPTERS INC |
| Street | PO BOX 5471 |
| City | WEST LEBANON |
| State | NH |
| Zip Code | 03784-5471 |
| Region | New England |
| County | Grafton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1976-01-21 |
| Certificate Issue Date | 2022-11-04 |
| Last Action Date | 2022-11-04 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51551213 |
| Mode S Code Hex | A6D28B |