| Tail Number / N-Number | N221CS |
| Manufacturer | PIPER |
| Model | PA-32R-300 |
| Year Built | 1977 |
| Manufacturer's Serial Number | 32R-7780424 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | TI0-540 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | LLC |
| Owner Name | SHAMROCK AVIATION LLC |
| Street | 593 MYERS RD |
| City | BROKEN BOW |
| State | NE |
| Zip Code | 68822-4226 |
| Region | Central |
| County | Custer County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-06-15 |
| Certificate Issue Date | 2013-03-26 |
| Last Action Date | 2021-10-13 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 50362373 |
| Mode S Code Hex | A1E4FB |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N221CS.
| Tail Number / N-Number | N221CS |
| Manufacturer | PIPER |
| Model | PA-23 |
| Manufacturer's Serial Number | 23612 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| County | Custer County |