| Tail Number / N-Number | N550HZ |
| Manufacturer | HELIO |
| Model | HST-550A |
| Year Built | 1972 |
| Manufacturer's Serial Number | 007 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | PT6A SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 750 hp (560 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MAYTAG DAVID D JR |
| Street | 40040 N 69TH ST |
| City | CAVE CREEK |
| State | AZ |
| Zip Code | 85331-8267 |
| Region | Western-Pacific |
| County | Maricopa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1989-07-27 |
| Certificate Issue Date | 1991-12-24 |
| Last Action Date | 2022-02-21 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51600062 |
| Mode S Code Hex | A70032 |