| Tail Number / N-Number | N438MB |
| Manufacturer | POPPENHAGEN BYRON J |
| Model | BABY ACE MODEL D |
| Year Built | 2011 |
| Manufacturer's Serial Number | 779 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | A-75 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 75 hp (56 kW) |
| Type of Registrant | Individual |
| Owner Name | MENDES FRANK SKYE RODRIGUES |
| Street | 11794 N THUNDER MOUNTAIN RD |
| City | COOLIDGE |
| State | AZ |
| Zip Code | 85128-9318 |
| Region | Western-Pacific |
| County | Pima County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2011-07-19 |
| Certificate Issue Date | 2019-05-08 |
| Last Action Date | 2022-03-25 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 51240753 |
| Mode S Code Hex | A541EB |