| Tail Number / N-Number | N31WW |
| Type of Reservation | 2 year hold for canceled N-numbers |
| Reserving Party Name | CANCELLED/NOT ASSIGNED |
| Date Reserved | 2021-03-24 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N31WW.
| Tail Number / N-Number | N31WW |
| Manufacturer | WINTER KENNETH E & WILLIAM E |
| Model | VARI VIGGEN |
| Year Built | 1981 |
| Manufacturer's Serial Number | 133 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | HO-360 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | SPINELLI CHARLES B |
| Street | 4668 N 40TH ST |
| City | PHOENIX |
| State | AZ |
| Zip Code | 85018-3641 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1981-07-22 |
| Certificate Issue Date | 2014-10-08 |
| Last Action Date | 2020-05-13 |
| Last Status | Valid Registration |
| Cancellation Date | 2021-03-24 |