| Tail Number / N-Number | N9557U |
| Manufacturer | GRUMMAN AMERICAN AVN. CORP. |
| Model | AA-1C |
| Year Built | 1977 |
| Manufacturer's Serial Number | AA1C0005 |
| 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 | LYCOMING |
| Engine Model | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | Individual |
| Owner Name | LEE HENRY |
| Street | PO BOX 544 |
| City | SAN LUIS OBISPO |
| State | CA |
| Zip Code | 93406-0544 |
| Region | Western-Pacific |
| County | San Luis Obispo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-02-26 |
| Certificate Issue Date | 2022-11-05 |
| Last Action Date | 2022-11-05 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 53245232 |
| Mode S Code Hex | AD4A9A |