| Tail Number / N-Number | N5138B |
| Manufacturer | STINSON |
| Model | OY-2 |
| Year Built | 1956 |
| Manufacturer's Serial Number | 04013 |
| 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 | LYCOMING |
| Engine Model | 0-435A/0-435C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 190 hp (142 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AMERICAN AIRPOWER HERITAGE FLYING MU |
| Street | PO BOX 764769 |
| City | DALLAS |
| State | TX |
| Zip Code | 75376-4769 |
| Region | Southwestern |
| County | Dallas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1958-09-18 |
| Certificate Issue Date | 1991-09-06 |
| Last Action Date | 2022-03-02 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 51470006 |
| Mode S Code Hex | A67006 |