OS / NuttX Comms VTOL Discussions on Vertical Takeoff and Landing vehicles. Commander System Architecture Drivers Airplanes (Fixed Wing) Discussions on traditional airplanes and flying wings - anything that is not a multicopter or VTOL. Multicopter Discussions about multicopters. Configuration and Flight Modes This category is about the initial configuration with QGroundControl and Flight mode setup (for multicopters, VTOL and planes). Flight Controllers Please discuss flight controllers (Pixhawk, Pixracer, Snapdragon Flight) here.