| Tail Number / N-Number | N599WM |
| Manufacturer | CZECH AIRCRAFT WORKS SPOL SRO |
| Model | MERMAID |
| Manufacturer's Serial Number | 07MM023 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 912ULS SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | LLC |
| Owner Name | FLYBOYZ LLC |
| Street | 3511 RIVERSIDE RD STE 105 |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19810 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Light Sport |
| Airworthiness Date | 2013-02-26 |
| Certificate Issue Date | 2021-08-02 |
| Last Action Date | 2021-08-02 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51740326 |
| Mode S Code Hex | A7C0D6 |