| Tail Number / N-Number | N4138D |
| Manufacturer | HELIO |
| Model | H-391B |
| Year Built | 1958 |
| Manufacturer's Serial Number | 090 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | GO-435C&D SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Average Cruising Speed | 117 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | CARGILL STEPHEN A |
| Other Names |
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| Street | 1018 ROCKWOOD CT |
| City | VACAVILLE |
| State | CA |
| Zip Code | 95687-4340 |
| Region | Western-Pacific |
| County | Solano County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1958-04-29 |
| Certificate Issue Date | 2022-05-10 |
| Last Action Date | 2022-05-10 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 51161271 |
| Mode S Code Hex | A4E2B9 |