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  • 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 .

final-approach and take-off area (FATO)



  • Definition

    defined area over which the final phase of the approach manoeuvre to hover or landing is completed and from which the take-off manoeuvre is commenced


    NOTE 1 A vertiport (VPT) (3.1.144) is expected to include at least one FATO.

    NOTE 2 The FATO should provide an area free of obstacles (except for essential objects which because of their function are located on it), and of sufficient size and shape to ensure containment of every part of the design VTOL-capable aircraft (VCA) (3.1.143) in the final phase of the approach and at the commencement of the take-off in accordance with the intended procedures. Essential objects are visual aids (e.g. lighting or roll-over protection if the VPT is elevated) or other aids (e.g. firefighting systems) necessary for safety purposes.


    [SOURCE: EASA, Vertiports, prototype technical specifications for the design of VFR vertiports for operation with manned VTOL-capable aircraft certified in the Enhanced Category (PTS-VPT-DSN)] [26]

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