The ATMO-ACCESS project is the organized response of distributed atmospheric research facilities for developing a pilot for a new model of Integrating Activities. ATMO-ACCESS will deliver a series of recommendations for establishing a comprehensive and sustainable framework for access to distributed atmospheric Research Infrastructures (RI), ensuring integrated access to and optimised use of the services provided.This document is the first milestone sustaining the project’s first strategic pillar (SP1) focused on harmonizing access procedures for users and stakeholders. SP1 addresses the specific challenge of elaborating references and guidelines for access to be adopted by atmospheric RIs, based on an extended analysis of solutions used by different infrastructures also outside the environmental domain. All work in ATMO-ACCESS integrates experiences from past access programs, thus, streamlining the work and avoiding duplication of efforts. This document, delivered right at the beginning of the project activities, enables the assessment of the user expectations merging from the access types offered in the past though the INFRAIA projects (Table 1). Limited TNA opportunities are currently offered in the frame of the ACTRIS IMP project. However, at the time of this survey, the 1st TNA call was still ongoing and very few projects were completed.This document analyses the results of the survey addressed to the users of former INFRAIA projects. This work considers previous activities, such as the ACTRIS User experience map1 developed within the ACTRIS IMP project to define the components of an improved TNA user experience and map the different phases with their related pain points and opportunities. The goal of the survey launched within this Milestone is the assessment of both the expectations of the users as related to the access types that were offered in the past as well as the level of user awareness of the actual range of the offered access within the ATMO-ACCESS project. User feedback questionnaires were not distributed after access completion in most of the past projects. This was first introduced in the ENVRI-plus TNA pilot2 to collect feedback on the access experience and investigate the user needs for interdisciplinary research.This report represents the first step towards building a qualitative and quantitative monitoring system based on user feedbacks.