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Welcome to the Future Flight Standards Hub

The Future Flight Standards Hub is designed to accelerate the development of Future Flight demonstrators and wider industry innovation based on emerging best practice, knowledge sharing, and standards support.

  • BSI Flex 1903 v2:2024-06 community preview

    This is an interactive version 2 of BSI Flex 1903. The aim of the standard is to create a lexicon of standard terms and acronyms used in this sector. Please note, content is still undergoing internal review and there may be minor changes at full publication.

    We welcome your engagement and comments on this version to help inform the development of the standard. We would also welcome general feedback including what terms could be considered for future versions and these can be made through our dedicated feedback page .

instructions for continued airworthiness (ICA)



  • Definition

    documents provided by an aircraft manufacturer or design organization that outline the necessary information and procedures for maintaining the airworthiness of an aircraft throughout its operational life


    NOTE 1 The ICA covers a wide range of information related to the inspection and maintenance of the aircraft, including tasks that need to be performed to maintain conformance to airworthiness standards.

    NOTE 2 ICA documents include, but are not limited to, the aircraft maintenance manual, the maintenance planning document (schedule) and the structural repair manual.

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