| Name | Designator | Engine Manufacturer |
|---|---|---|
| 400 Beechjet | BE40 | BEECH |
| T-1 Jayhawk | BE40 | BEECH |
| 400A Beechjet | BE40 | BEECH |
| 400T Jayhawk | BE40 | BEECH |
| 400T TX | BE40 | BEECH |
| T-400 | BE40 | BEECH |
| Hawker 400XP | BE40 | HAWKER BEECHCRAFT |
| T-1 Jayhawk | BE40 | RAYTHEON |
| 400A Beechjet | BE40 | RAYTHEON |
| Hawker 400XP | BE40 | RAYTHEON |
| 400T Jayhawk | BE40 | RAYTHEON |
| 400T TX | BE40 | RAYTHEON |
| T-400 | BE40 | RAYTHEON |