| Tail Number / N-Number | N423AG |
| Manufacturer | CRAIG MCPHERSON |
| Model | MTO SPORT |
| Year Built | 2015 |
| Manufacturer's Serial Number | M01235 |
| Aircraft Type | Gyroplane |
| 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 | ROTAX |
| Engine Model | 914UL |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Kit Manufacturer | AUTOGYRO GMBH |
| Kit Model | MTO SPORT |
| Type of Registrant | Individual |
| Owner Name | OBRIEN BARTON P |
| Street | 1200 ORCHARD AVE |
| City | NAPA |
| State | CA |
| Zip Code | 94558-9401 |
| Region | Western-Pacific |
| County | Napa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2015-07-09 |
| Certificate Issue Date | 2019-01-23 |
| Last Action Date | 2021-08-12 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51203313 |
| Mode S Code Hex | A506CB |