| Tail Number / N-Number | N126SD |
| Manufacturer | STEPHEN DENMARK |
| Model | RV-9A |
| Manufacturer's Serial Number | 91709 |
| 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 | AEROSPORT |
| Engine Model | O/IO-320 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Kit Manufacturer | VANS AIRCRAFT INC |
| Kit Model | RV-9A |
| Type of Registrant | Individual |
| Owner Name | DENMARK STEPHEN |
| Street | 1601 TAYLOR LN |
| City | SANTA CRUZ |
| State | CA |
| Zip Code | 95062-2763 |
| Region | Western-Pacific |
| County | Santa Cruz County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2014-10-06 |
| Certificate Issue Date | 2011-10-03 |
| Last Action Date | 2022-12-19 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 50065620 |
| Mode S Code Hex | A06B90 |