| Tail Number / N-Number | N9TZ |
| Manufacturer | HARFST MICHAEL |
| Model | GLASTAR GS-1 |
| Year Built | 2003 |
| Manufacturer's Serial Number | 5588 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Kit Manufacturer | STODDARD HAMILTON |
| Kit Model | GLASTAR GS-1 |
| Type of Registrant | Individual |
| Owner Name | HARFST MICHAEL |
| Street | 2277 MULBERRY DR |
| City | MILWAUKIE |
| State | OR |
| Zip Code | 97267 |
| Region | Northwest Mountain |
| County | Multnomah County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2003-07-02 |
| Certificate Issue Date | 2000-09-28 |
| Last Action Date | 2021-03-18 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 53066073 |
| Mode S Code Hex | AC6C3B |