| Tail Number / N-Number | N129DS |
| Manufacturer | CRESS DAVID GEORGE |
| Model | GLASAIR SII RG |
| Year Built | 1996 |
| Manufacturer's Serial Number | 2335 |
| 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 | I0360 SER A&C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Individual |
| Owner Name | MONTGOMERY LORNE D |
| Street | 186 SUNSET LAKE RD |
| City | HUNTSVILLE |
| State | TX |
| Zip Code | 77340-9715 |
| Region | Southwestern |
| County | Walker County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2000-03-20 |
| Certificate Issue Date | 2017-09-29 |
| Last Action Date | 2020-07-07 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 50072575 |
| Mode S Code Hex | A0757D |