Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4089K.
| Tail Number / N-Number | N4089K |
| Manufacturer | BENSON |
| Model | JON B SPECIAL |
| Year Built | 1965 |
| Manufacturer's Serial Number | JB3 |
| 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 | CONT MOTOR |
| Engine Model | A50 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 50 hp (37 kW) |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BENSON GEORGE C |
| Street | P O BOX 746 |
| City | RALSTON |
| State | WY |
| Zip Code | 82440 |
| Country | US |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1965-04-30 |
| Last Action Date | 1977-02-19 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2012-06-04 |
| Mode S Code | 51146766 |
| Mode S Code Hex | A4CDF6 |