| Tail Number / N-Number | N399MD |
| Manufacturer | HELIO AIRCRAFT LTD |
| Model | H800 |
| Year Built | 1984 |
| Manufacturer's Serial Number | H-18 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | I0360 SER A&C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Individual |
| Owner Name | RUSYNIAK ANTHONY JOHN |
| Street | 405 HIAWATHA BLVD E |
| City | SYRACUSE |
| State | NY |
| Zip Code | 13208-1147 |
| Region | Eastern |
| County | Onondaga County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1993-04-15 |
| Certificate Issue Date | 2015-12-14 |
| Last Action Date | 2022-01-06 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 51122517 |
| Mode S Code Hex | A4A54F |