Airframe layout does not save. Tested on multiple Pixhawk 2.4.8 units with FMUV3 firmware. Downgrade to 1.15.4 solves the issue. Same issue persists in beta and developer builds for 1.16.0 multiple SD ...
Abstract: This research focused on the development of unmanned aerial vehicle (UAV) of a dodecacopter system. The dodecacopter is controlled through a Pixhawk 2.4.8 firmware-based flight controller.