| Tail Number / N-Number | N644GD |
| Manufacturer | DUDA W GREGORY |
| Model | SH-2F |
| Year Built | 1993 |
| Manufacturer's Serial Number | 644 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Co-Ownership |
| Owner Name | DUDA W GREGORY |
| Other Names |
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| Street | 18855 SARGENT SKYWAY |
| City | GRASS VALLEY |
| State | CA |
| Zip Code | 95949 |
| Region | Western-Pacific |
| County | El Dorado County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2000-11-21 |
| Certificate Issue Date | 1993-09-09 |
| Last Action Date | 2020-11-19 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 52072261 |
| Mode S Code Hex | A874B1 |