Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N2621T.
| Tail Number / N-Number | N2621T |
| Manufacturer | SELTZER WILLIAM I |
| Model | CHALLENGER II CWS |
| Year Built | 1999 |
| Manufacturer's Serial Number | CH2-0199-CW-1838 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 503 DCDI |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 52 hp (39 kW) |
| Type of Registrant | Individual |
| Owner Name | ROFF ALLAN W |
| Street | 6647 WILLOWBRAE WAY |
| City | SACRAMENTO |
| State | CA |
| Zip Code | 95831-2858 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2010-01-18 |
| Certificate Issue Date | 2015-12-04 |
| Last Action Date | 2015-12-04 |
| Last Status | Valid Registration |
| Cancellation Date | 2017-05-26 |
| Mode S Code | 50504370 |
| Mode S Code Hex | A288F8 |