Warning signs
Warning: Slippery surface
- IMO code
- WSS011
- ISO 7010 number
- W011
Where you will meet it
On decks, gangways and wherever water, oil or ice collects.
What it means in practice
Slippery surface. Slips are the most common shipboard accidents: keep a hand on the rail.
Legal basis
Annex to IMO resolution A.1116(30) (adopted 05.12.2017), table of warning 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).