| Tail Number / N-Number | N1221K |
| Manufacturer | PIPER |
| Model | PA-44-180 |
| Manufacturer's Serial Number | 44-7995295 |
| Aircraft Type | Fixed wing multi 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 | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | AIRLINE TRANSPORT PROFESSIONALS CORP OF USA |
| Street | 251 LITTLE FALLS DR |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19808-1674 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2002-05-17 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 50056645 |
| Mode S Code Hex | A05DA5 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1221K.
| Tail Number / N-Number | N1221K |
| Manufacturer | PIPER |
| Model | PA 46-350P |
| Manufacturer's Serial Number | 4622148 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | SKYTECH INC |
| Street | 701 WILSON POINT RD |
| City | BALTIMORE |
| State | MD |
| Zip Code | 21220 |
| County | New Castle County |
| Country | US |
| Last Action Date | 1995-03-21 |
| Last Status | Valid Registration |
| Cancellation Date | 1995-08-11 |
| Exported To | GERMANY |