This document includes the sector specific requirements for the provision of private security services for airport and civil aviation security that are additional to the regulations of EN 17483-1:2021. NOTE 1 This document is the second part of a series of standards on the provision of private security services for critical infrastructure. NOTE 2 See Figure 2. NOTE 3 It is important that the selection of a private security service provider always represents the best balance between quality and price. This document sets out the minimum requirements that providers can comply with in order for this balance to be struck. It specifies service requirements for quality in organization, processes, personnel and management of a security service provider and/or its independent branches and establishments under commercial law and trade as a provider with regard to airport and aviation security services. It lays down quality criteria for the delivery of airport and aviation security services requested by public and private clients. This document is suitable for the selection, attribution, awarding and reviewing of the most suitable provider of airport and aviation security services [1].