CPC Subgroup
G05D 1/467 for movement inside a confined volume, e.g. indoor flying
Full Title
Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots (drive control systems specially adapted for autonomous road vehicles B60W60/00) > Control within particular dimensions > Control of position or course in three dimensions [3D] > for movement inside a confined volume, e.g. indoor flying