ISO/TS 10303-439:2005 specifies the application module for AP239 product life cycle support. The following are within the scope of ISO/TS 10303-439:2005: * information for defining a complex product and its support solution; * information required to maintain a complex product; * information required for through life configuration change management of a product and its support solution; * the representation of product assemblies including: o the identification and representation of parts, their versions, definitions, and documentation and management information, such as dates and approvals assigned to parts; o the representation of multiple product structure views and product breakdowns; o the representation of the shape of an assembly as the composition of the shape representation of its components; o the identification of positions within an assembly of parts to which component parts may be attached; o the association of valued properties to a part or to an assembly; o the representation of interfaces between products; o the classification of parts, documents and assemblies. * the representation of a product through life including: o the representation of product requirements and their fulfilment; o the representation of existing or potential future products; o the identification of the configuration of a product for a given role; o the specification of effectivity constraints applied to configuration of a product; o the representation of predicted and observed states of products. * the specification and planning of activities for a product including: o the specification of tasks to be performed on a product; o the representation of conditions for performing the tasks, including the resources required and the location of the resources and product; o the representation of the type of person and skills required for performing a task; o the representation of planning and scheduling of the tasks and the management and authorization of the subsequent work. * the representation of the activity history of a product including: o the recording of the usage of a product and the resource usage; o the recording of the activities performed on a product and the resource usage. * the representation of the product history including: o a historical record of the states of a product; o a historical record of the configuration status of the product; o the location of product data; o the observation of product data.