11.9.5 Table showing permitted areas of operation, STOPS Numerals and Design Categories
Clasification Society 2024 - Version 9.40
Statutory Documents - MCA Publications - MGN 280 - Small Vessels in Commercial Use for Sport or Pleasure, Workboats and Pilot Boats - Alternative Construction Standards - 11 Intact Stability - 11.9 Sailing Monohull Vessels Complying with Section 11.1.1.3 - 11.9.5 Table showing permitted areas of operation, STOPS Numerals and Design Categories

11.9.5 Table showing permitted areas of operation, STOPS Numerals and Design Categories

    Minimum Required Standard  
Permitted Area of Operation MCA Code Category Range of Stability Stops Numeral ISO 12217 Design Category Permitted ISO Stability Assessment Options
Unrestricted 0 90+60×(24-LOA)/17 N/A A 1
Up to 150 miles from a safe haven 1 90+60×(24-LOA)/17 N/A A 1
Up to 60 miles from a safe haven 2 90+60×(24-LOA)/20 30 B 1
Up to 20 miles from a safe haven 3 90+60×(24-LOA)/25 20 B 1
Up to 20 miles from a safe haven in favourable weather and daylight 4 90+60×(24-LOA)/25 20 C 1 and 2
Up to 20 miles from a nominated departure point in favourable weather and daylight 5 90+60×(24-LOA)/25 20 C 1 and 2
Up to 3 miles from a nominated departure point in favourable weather and daylight 6 90+60×(24-LOA)/25 14 C 1, 2, 5 and 6

Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.