| Tail Number / N-Number | N21621 |
| Manufacturer | CESSNA |
| Model | 172S |
| Manufacturer's Serial Number | 172S9530 |
| 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 | LLC |
| Owner Name | CSA AIRCRAFT LEASING LLC |
| Street | 176 N 2200 W STE 195 |
| City | SALT LAKE CITY |
| State | UT |
| Zip Code | 84116-2944 |
| Region | Northwest Mountain |
| County | Salt Lake County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2022-09-13 |
| Last Action Date | 2022-09-13 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 50351204 |
| Mode S Code Hex | A1D284 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21621.
| Tail Number / N-Number | N21621 |
| Manufacturer | CESSNA |
| Model | A188B |
| Manufacturer's Serial Number | 188-00914 |
| 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 | 108 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | NOTESTINE AG SALES INC |
| Street | BOX 429 |
| City | LEOTI |
| State | KS |
| Zip Code | 67861 |
| Region | Central |
| County | Salt Lake County |
| Certificate Issue Date | 1974-06-03 |
| Last Status | Valid Registration |
| Cancellation Date | 1975-05-07 |