The following Challenger's were previously operated by Boulder US LLC, however they have now left the fleet. Select an aircraft to find out more details, including who operates the aircraft now if it has been sold on, or read details on why the aircraft was retired.
| Registration | Type | Status | Delivery Date | |
|---|---|---|---|---|
 |
N620HF | Challenger 601-3A | Re-Regd | 14.04.06 |
|
N989BC | Challenger 601-3A | Left Fleet | 16.05.06 |