| Tail Number / N-Number | N9821A |
| Manufacturer | BOEING |
| Model | A75N1(PT17) |
| Year Built | 1941 |
| Manufacturer's Serial Number | 75-844 |
| 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 | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Individual |
| Owner Name | CROGAN BRIAN E |
| Street | 4615 ANGELINE |
| City | MASON |
| State | OH |
| Zip Code | 45040-2907 |
| Region | Great Lakes |
| County | Warren County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1988-09-07 |
| Certificate Issue Date | 2005-03-14 |
| Last Action Date | 2022-06-06 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 53332416 |
| Mode S Code Hex | ADB50E |