| Tail Number / N-Number | N40HM |
| Manufacturer | CONSTRUCCIONES AERONAUTICAS SA |
| Model | C.A.S.A. 1.131E |
| Year Built | 1953 |
| Manufacturer's Serial Number | E3B-525 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | SONOMA VALLEY AIRCRAFT INC |
| Street | PO BOX 25 |
| City | VINEBURG |
| State | CA |
| Zip Code | 95487-0025 |
| Region | Western-Pacific |
| County | Sonoma County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1993-04-06 |
| Certificate Issue Date | 1998-08-18 |
| Last Action Date | 2020-10-02 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 51125403 |
| Mode S Code Hex | A4AB03 |