| Tail Number / N-Number | N9591 |
| Manufacturer | ENSTROM |
| Model | F-28A |
| Year Built | 1973 |
| Manufacturer's Serial Number | 122 |
| 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 | HIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 205 hp (153 kW) |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | LLC |
| Owner Name | FREELANCE ENTERPRISE LLC |
| Street | PO BOX 403 |
| City | CLAYTON |
| State | WA |
| Zip Code | 99110-0403 |
| Region | Northwest Mountain |
| County | Stevens County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1973-04-30 |
| Certificate Issue Date | 2015-07-01 |
| Last Action Date | 2021-07-07 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 53254221 |
| Mode S Code Hex | AD5891 |