| Tail Number / N-Number | N128BD |
| Manufacturer | HANLON ROBERT |
| Model | GS-2 SPORTSMAN |
| Manufacturer's Serial Number | 7234 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Kit Manufacturer | GLASAIR AVIATION LLC |
| Kit Model | GS-2 SPORTSMAN |
| Type of Registrant | Individual |
| Owner Name | WIEDERSPAHN DAVID H |
| Street | 1 LEONARD AVE APT 3 |
| City | CAMBRIDGE |
| State | MA |
| Zip Code | 02139-1006 |
| Region | New England |
| County | Suffolk County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-02-27 |
| Certificate Issue Date | 2021-09-13 |
| Last Action Date | 2021-09-13 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 50070607 |
| Mode S Code Hex | A07187 |