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… authorities and railway companies) need to determine the minimum sightlines required at grade crossings. The Grade … sightlines at grade crossings. These sightlines must, at minimum, provide crossing users with enough time to see and … ‘approach' and ‘stop' positions. This Guide replaces the Minimum Railway/Road Crossing Sightline Requirements for All …
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… On December 3, 2021 , join us in celebrating Drone Safety Day! Drone Safety Day is aimed at sharing drone safety success stories and highlighting the interesting …
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… the approved article or article design under a PMA , PDA , TSOA , CAN-TSO , Letter of TSO Design Approval (LODA), … and technical data. 1.12.38 “Part Design Approval (PDA)” , for TCCA , means an approval of the type design of a … for products and articles; and 2.2.1.4 All TSO/CAN-TSO , PDA / PMA , Repair Design Approvals (RDAs), as listed in …
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