ISO 11121:2017规定了培训机构在娱乐水肺潜水中引进潜水体验的最低程序内容要求。在任何情况下，这些要求被认为是潜水员培训和资格的标准。 ISO 11121:2017适用于包括参与者进入开放水域环境的计划。它不适用于专门在密闭水环境（例如游泳池）中进行的程序。 ISO 11121:2017还规定了提供此项服务的条件，补充了ISO 24803规定的休闲潜水服务的一般要求

ISO 11121:2017 specifies minimum programme content requirements for training organizations for introductory scuba experiences in recreational scuba diving. Under no conditions are these requirements considered to be a standard for the training and qualification of scuba divers. ISO 11121:2017 applies to programmes that include participants being taken into an open water environment. It does not apply to programmes that are exclusively conducted in a confined water environment (e.g. swimming pools). ISO 11121:2017 also specifies the conditions under which this service is to be provided, which supplement the general requirements for recreational diving services specified in ISO 24803.