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Mandatory signs

Start air supply in launch sequence

MSS030 sign: Start air supply in launch sequence
blue circle
IMO code
MSS030
ISO 7010 number
M044

Where you will meet it

In a lifeboat with its own air supply.

What it means in practice

A launch sequence step: start the air supply, so the engine and the crew can breathe with the hatches closed.

Legal basis

Annex to IMO resolution A.1116(30) (adopted 05.12.2017), table of mandatory signs. Graphic pattern of the symbol: ISO 7010.

This is not a legal text: in any doubt the current wording of the resolution and regulations decides.

Download

Sign colours are normative. The file is public domain or CC0 (a Commons recreation of the symbol named by the IMO annex).

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