| Tail Number / N-Number | N721WK |
| Type of Reservation | 2 year hold for canceled N-numbers |
| Reserving Party Name | CANCELLED/NOT ASSIGNED |
| Date Reserved | 2020-02-28 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N721WK.
| Tail Number / N-Number | N721WK |
| Manufacturer | YUNEEC ELECTRIC AVIATION |
| Model | TYPHOON Q500 4K |
| Manufacturer's Serial Number | YU15440252B04E01 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 0 seats |
| Weight Class | CLASS 4 (UAV up to 55 pounds gross take off weight) |
| Number of Engines | 4 engines |
| Type of Registrant | LLC |
| Owner Name | KUSA AVIATION LLC |
| Street | 4700 HANGAR DR |
| City | BEAUMONT |
| State | TX |
| Zip Code | 77705-5800 |
| Country | US |
| Certificate Issue Date | 2016-11-10 |
| Last Action Date | 2016-11-10 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2020-02-28 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N721WK.
| Tail Number / N-Number | N721WK |
| Manufacturer | VICKERS/SUPERMARINE |
| Model | SPITFIRE MARK XVI |
| Year Built | 1945 |
| Manufacturer's Serial Number | SL-721 |
| 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) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Average Cruising Speed | 262 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MTW AVIATION INC TRUSTEE |
| Street | 1209 N ORANGE ST |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19801-1120 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1979-03-28 |
| Certificate Issue Date | 2000-10-06 |
| Last Action Date | 2001-03-20 |
| Last Status | Valid Registration |
| Cancellation Date | 2002-03-01 |
| Exported To | CANADA |