BS EN ISO 11591:2019,Small craft – Field of vision from the steering position.BS EN ISO 11591:2019 pdf free download here.
This third edition cancels and replaces the second edition (ISO 11591: 2011),which has been technically revised.
The main changes compared to the previous edition are as follows:
— the document has been revised to include sailing craft;
—the document has been revised to include human-powered craft;
—the text for power craft has been improved for easier application.
2 Normative references
ISO 7010,Graphical symbols -Safety colours and safety signs-Registered safety signs;
ISO 8666: 2016, Small craft-Principal data;
ISO 10240,Small craft-Owner’s manual;
ISO 11192: 2005, Small craft -Graphical symbols;
4. 2. 1. 2 Permanent and removable obstructions to vision shall be such that clear vision from the eye position can be maintained with normal movement of the operator while maintaining control of the craft.
4.2.2 Vertical
4.2.2.1 The vertical field of vision forward to the horizon and water surface shall be determined with the craft at an attitude established by the level reference line determined with the craft in the loaded condition in accordance with ISO 8666.
4.2.2.2 Obstructed vertical vision distance to the water surface in the horizontal field of vision from the stem or point of visual obstruction on the craft, as determined by the level reference line, shall not exceed four times the length of hull, Lit, defined in ISO 8666, and in no case shall exceed 50 m.
BS EN ISO 11591:2019 pdf download
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