This manual addresses ground handling services which form an integral part of the aviation system and contribute directly to flight and aerodrome safety. The content of this manual provides guidance for all stakeholders involved in the ground handling of aircraft that might impact the safety of operations. It brings together the ground handling operation and the principles of safety management systems to highlight safety improvements in the overall system for ground handling service providers as well as air and aerodrome operators. It also provides guidance for States to assist with the inclusion of ground handling in their State safety programmes.