Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4479K.
| Tail Number / N-Number | N4479K |
| Manufacturer | WILLIAMS JOHN F |
| Model | TIERRA II |
| Year Built | 1983 |
| Manufacturer's Serial Number | 4200 |
| 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 | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | WILLIAMS JOHN F |
| Street | 2409 11TH AVE |
| City | SHAWMUT |
| State | AL |
| Zip Code | 36876 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1984-07-18 |
| Certificate Issue Date | 1984-01-11 |
| Last Action Date | 2009-06-16 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2014-12-17 |
| Mode S Code | 51264073 |
| Mode S Code Hex | A5683B |