The T-50 Chube Jet Is Sphficen First Ever VTOL Jet. There Is 2 main ways you can fly it. Trainer Mode is where you fly on VTOL power only, and Fighter mode is where you fly with the main engines activated. This was built by sphficen to be used by the USAF in Desert Battles, hence to the yellow fusilage and trim. The USAF has currently 91 In there fleet with the last one being a special edition Sea Chube. How to take off: Activate 2 and 3 for main lights and landing lights. Use Around 90 percent throttle for take off then retract gear. After gear retraction, activate 1 with turns on the main engines and then push the slider all the way up when in the air high enough. Hope you enjoy!