| Tail Number / N-Number | N3966 |
| Manufacturer | RANS |
| Model | S-12XL |
| Year Built | 1997 |
| Manufacturer's Serial Number | 01960674 |
| 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 | 582DCDI |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Type of Registrant | Individual |
| Owner Name | SYKES MICHAEL S |
| Street | 237 DEBRA LN |
| City | SPARTA |
| State | IL |
| Zip Code | 62286-1902 |
| Region | Great Lakes |
| County | Randolph County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-01-23 |
| Certificate Issue Date | 2019-01-25 |
| Last Action Date | 2021-08-17 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51116075 |
| Mode S Code Hex | A49C3D |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3966.
| Tail Number / N-Number | N3966 |
| Manufacturer | CURTISS |
| Model | JN-SE |
| Year Built | 1917 |
| Manufacturer's Serial Number | 1917 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | WALTON WIST W |
| Street | PO BOX 358 |
| City | IMPERIAL |
| State | CA |
| Zip Code | 92251 |
| Region | Western-Pacific |
| County | Randolph County |
| Certificate Issue Date | 1958-01-14 |
| Last Status | Valid Registration |
| Cancellation Date | 1928-11-15 |