Small craft — Field of vision from the steering position — Amendment 1
Small craft — Field of vision from the steering position — Amendment 1
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ISO 11591:2020/Amd 1:2022 is an amendment to the international standard concerning small craft field of vision from the steering position. Developed by the International Organization for Standardization (ISO), this amendment updates key normative references and specifies enhanced procedures to determine and verify the field of vision for power-driven small craft. The standard focuses on ensuring optimal visibility for operators, contributing to safer navigation and operation.
This amendment revises previous references, notably replacing ISO 8666:2016 with ISO 8666:2020, and removes specific requirements related to owner’s manuals previously covered by ISO 10240:2019, while still mandating essential information for craft owners. Annex A establishes practical and computer-aided methods to assess the level reference line and verify the vertical field of vision, critical for compliance.
Field of Vision from Steering Position Emphasis on clear and unobstructed vertical visibility for operators of power-driven craft with steering wheels or equivalent fixed controls.
Level Reference Line Determination Procedures for establishing a level reference line using either practical testing or computer-aided design (CAD) methods. This line represents the vessel attitude during operational conditions:
Verification of Field of Vision Two methods provided for confirming compliance with vertical visibility requirements:
Owner’s Manual Information Clarified requirements stipulate that owner's manuals must include guidance on the proper use of trim tabs and power trim systems if their use is necessary to meet visibility standards.
ISO 11591:2020/Amd 1:2022 is essential for:
Boat Manufacturers and Designers To ensure that new small craft designs comply with international safety requirements related to operator visibility from the steering position.
Naval Architects Applying the practical and CAD methods in vessel design to optimize ergonomic sightlines and improve operational safety.
Regulatory Bodies and Certification Authorities Using the standardized methods to verify compliance with visibility criteria during vessel approval processes.
Small Craft Operators and Owners Understanding the manufacturer-provided visibility specifications and operational guidance included in the owner’s manual, particularly regarding trim control.
This amendment helps to enhance navigational safety by advancing standardized field of vision assessment, promoting better visibility and control for small craft operators under real operating conditions.
ISO 8666:2020 – Small craft - Principal data Updated reference for measurement conditions related to craft mass, trim, and performance.
ISO 10240 – Small craft - Owner’s manual Provides requirements for the content and presentation of owner’s manuals, referenced for general guidance despite removal of normative reference in this amendment.
ISO/IEC Directives, Part 1 & 2 – Procedures for ISO standard development and editorial rules.
By aligning with these complementary standards, ISO 11591:2020/Amd 1:2022 helps create a comprehensive framework for small craft safety, focusing on visibility, operator awareness, and effective vessel control.
Стандарты, упомянутые в описании