| Tail Number / N-Number | N9821P |
| Manufacturer | MOONEY AIRCRAFT CORP. |
| Model | M20K |
| Year Built | 1981 |
| Manufacturer's Serial Number | 25-0530 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | KOOB CHRISTOPHER E |
| Street | 2508 MERION CV |
| City | ROUND ROCK |
| State | TX |
| Zip Code | 78664-6231 |
| Region | Southwestern |
| County | Williamson County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2013-05-10 |
| Last Action Date | 2021-12-09 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 53332433 |
| Mode S Code Hex | ADB51B |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N9821P.
| Tail Number / N-Number | N9821P |
| Manufacturer | PIPER |
| Model | PA-25-235 |
| Manufacturer's Serial Number | 25-7556139 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AG AERO INC |
| Street | BOX 635 |
| City | ELOY |
| State | AZ |
| Zip Code | 85231 |
| Region | Western-Pacific |
| County | Williamson County |
| Certificate Issue Date | 1976-04-16 |
| Last Status | Valid Registration |
| Cancellation Date | 1980-05-27 |
| Exported To | MEXICO |