| Tail Number / N-Number | N81881 |
| Manufacturer | AERONCA |
| Model | 7AC |
| Year Built | 1946 |
| Manufacturer's Serial Number | 7AC-504 |
| 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 | A&C75 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 75 hp (56 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | QUAYLE JOHN P |
| Other Names |
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| Street | 3111 HALF DOME DR |
| City | PLEASANTON |
| State | CA |
| Zip Code | 94566-8702 |
| Region | Western-Pacific |
| County | Alameda County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-05-27 |
| Certificate Issue Date | 2022-08-04 |
| Last Action Date | 2022-08-04 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 52625236 |
| Mode S Code Hex | AB2A9E |