unmanned helicopter and abhebeverfahren for unmanned helicopter

摘要

A flight controller causes an airframe to take off and elevate to a predetermined altitude upon reception of a take-off start command from the ground. The flight controller increases a collective pitch rudder angle without performing altitude control, and subsequently starts the altitude control. Independent claims are also included for the following: (a) an unmanned helicopter take-off method; and (b) an unmanned helicopter landing method.