| Tail Number / N-Number | N557AC |
| Manufacturer | EUROCOPTER |
| Model | EC 225 LP |
| Year Built | 2014 |
| Manufacturer's Serial Number | 2900 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 23 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | TURBOMECA |
| Engine Model | MAKILA 2A1 |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,746 hp (1,303 kW) |
| Total Horsepower | 3,492 hp (2,605 kW) |
| Type of Registrant | LLC |
| Owner Name | VERTICAL AVIATION NO 1 LLC |
| Street | 830 BRICKELL PLZ STE 5000 |
| City | MIAMI |
| State | FL |
| Zip Code | 33131-2904 |
| Region | Southern |
| County | Dade County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2021-05-14 |
| Certificate Issue Date | 2020-05-28 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51614557 |
| Mode S Code Hex | A7196F |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N557AC.
| Tail Number / N-Number | N557AC |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2006 |
| Manufacturer's Serial Number | 11387 |
| 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 |
| County | Dade County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-08-11 |
| Certificate Issue Date | 2010-06-28 |
| Last Action Date | 2011-07-23 |
| Last Status | First Notice for Registration Renewal |
| Cancellation Date | 2014-03-25 |