State of Illinois currently operates 2 King Air B300 (350)'s. You can find the details of each aircraft, including registration, listed below.
| Registration | Type | Status | Delivery Date | |
|---|---|---|---|---|
 |
N961LL | King Air B300 (350)- | Active | 24/03/00 |
|
N991LL | King Air B300 (350)- | Active | 20/06/00 |