Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4279X.
| Tail Number / N-Number | N4279X |
| Manufacturer | GALLAGHER ROBERT WILLIAM |
| Model | THESIS |
| Manufacturer's Serial Number | RG-2 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 |
| Type of Registrant | Individual |
| Owner Name | GALLAGHER ROBERT W |
| Street | 60457 LA MIRADA TRAIL |
| City | JOSHUA TREE |
| State | CA |
| Zip Code | 92252 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1991-09-12 |
| Certificate Issue Date | 1991-06-07 |
| Last Action Date | 1994-08-26 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-10-29 |
| Mode S Code | 51214511 |
| Mode S Code Hex | A51949 |