| Tail Number / N-Number | N18743 |
| Manufacturer | PORTERFIELD |
| Model | CP-40 |
| Manufacturer's Serial Number | 529 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | A40 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 40 hp (30 kW) |
| Average Cruising Speed | 76 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AIRPOWER MUSEUM INC |
| Street | 22001 BLUEGRASS RD |
| City | OTTUMWA |
| State | IA |
| Zip Code | 52501-8569 |
| Region | Central |
| County | Wapello County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-04-15 |
| Certificate Issue Date | 2014-04-14 |
| Last Action Date | 2022-11-28 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 50256655 |
| Mode S Code Hex | A15DAD |