| Tail Number / N-Number | N729ML |
| Manufacturer | LOFTIN MARC T |
| Model | SONEX |
| Manufacturer's Serial Number | 1514 |
| 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 | JABIRU |
| Engine Model | 3300L |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 120 hp (90 kW) |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | SONEX |
| Type of Registrant | Individual |
| Owner Name | LOFTIN MARC T |
| Street | 1968 N CURSON AVE |
| City | LOS ANGELES |
| State | CA |
| Zip Code | 90046-2208 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2015-11-23 |
| Certificate Issue Date | 2023-01-31 |
| Last Action Date | 2023-01-31 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 52343031 |
| Mode S Code Hex | A9C619 |