Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4988X.
| Tail Number / N-Number | N4988X |
| Manufacturer | ROCKWELL INTERNATIONAL |
| Model | S-2R |
| Year Built | 1975 |
| Manufacturer's Serial Number | 5033R |
| 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 | WRIGHT |
| Engine Model | C7BA SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 800 hp (597 kW) |
| Average Cruising Speed | 82 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | RUSTYS FLYING SERVICE |
| Street | 101 FLIGHT LINE RD |
| City | HONDO |
| State | TX |
| Zip Code | 78861 |
| Country | US |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1975-07-29 |
| Certificate Issue Date | 2000-10-26 |
| Last Action Date | 2009-10-26 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-11-08 |
| Mode S Code | 51430526 |
| Mode S Code Hex | A63156 |