| Tail Number / N-Number | N555EL |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2005 |
| Manufacturer's Serial Number | 10665 |
| 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 | Corporation |
| Owner Name | POLLUX AVIATION LTD |
| Street | 6540 E BEECHCRAFT RD |
| City | WASILLA |
| State | AK |
| Zip Code | 99654-9330 |
| Region | Alaskan |
| County | Matanuska-Susitna Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2011-02-08 |
| Certificate Issue Date | 2012-06-22 |
| Last Action Date | 2021-02-09 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 51611155 |
| Mode S Code Hex | A7126D |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N555EL.
| Tail Number / N-Number | N555EL |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2003 |
| Manufacturer's Serial Number | 10116 |
| 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 | 0-540 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 250 hp (187 kW) |
| Type of Registrant | Corporation |
| Owner Name | HELIFIRST LLC |
| Street | 1221 BRICKELL AVE STE 918 |
| City | MIAMI |
| State | FL |
| Zip Code | 33131-3227 |
| County | Matanuska-Susitna Borough |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2003-07-10 |
| Certificate Issue Date | 2004-02-19 |
| Last Action Date | 2004-02-19 |
| Last Status | Valid Registration |
| Cancellation Date | 2004-08-27 |
| Exported To | PANAMA |