Matek Flight Controller H7A3-WINGH7A3 WING Flight Controller for Fixed Wing & VTOL Meet the big brain for your wings: the H7A3 WING flight controller. Built around an STM32H7 processor, its made for INAV and Ardupilot pilots who push their fixed wing or VTOL builds harder than their thumbs allow. Keywords: H7A3 WING flight controller, INAV fixed wing FC, Ardupilot VTOL FC. Why You Want It Because your flying wing deserves more than recycled quad gear. With the H7 chip, onboard OSD,