FlyTek GSE Sales & Service for all your GSE needs. FlyTek Ground Support Equipment is now available! Our experienced team is able to provide maintenance, repair, testing and certification on all makes and models of aircraft Jacks, HPU's, GPU's, Tugs and more. We offer on-site service as well as pickup and delivery. FlyTek GSE is the North American distributor for TowFLEXX, the remote controlled tug that will give you 40% more usable space in your hanger.