Statutory guidance

MCA survey of lights and signalling equipment (MSIS 10)

Instructions for the guidance of surveyors, about inspecting ships' navigation lights, sound and visual signalling equipment.

• From: Maritime and Coastguard Agency
• Published: 17 April 2014
• Last updated: 15 July 2026
  Show all updates

  1. 15 July 2026

     MSIS 10 R5.1 2026 replaces MSIS 10 R05 2023

  2. 12 December 2023

     Updated with Revision 5

  3. 17 April 2014

     First published.

Documents

MCA survey of lights and signalling equipment (MSIS 10)

Ref: Rev 07/26

PDF, 737 KB, 41 pages

Details

This guidance is for:

• surveyors
• ship owners
• masters
• skippers
• shipbuilders
• manufacturers