| Tail Number / N-Number | N355AS |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2003 |
| Manufacturer's Serial Number | 10061 |
| 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 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | Corporation |
| Owner Name | POLLUX AVIATION LTD |
| Street | 6540 E BEECHCRAFT RD |
| City | WASILLA |
| State | AK |
| Zip Code | 99654-9330 |
| Region | Alaskan |
| County | Kenai Peninsula Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2003-03-26 |
| Certificate Issue Date | 2006-07-28 |
| Last Action Date | 2020-05-15 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 50773561 |
| Mode S Code Hex | A3F771 |