Prohibition signs
Do not walk or stand here
- IMO code
- PSS021
- ISO 7010 number
- P024
Where you will meet it
In the zones under slings, ramps and cargo, and within reach of mooring lines.
What it means in practice
Do not walk or stand here. The classic example: the snap-back zone, where a parted mooring line whips with killing force.
Legal basis
Annex to IMO resolution A.1116(30) (adopted 05.12.2017), table of prohibition 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).