Prohibition signs
No open flame; fire, open ignition source and smoking prohibited
- IMO code
- PSS003
- ISO 7010 number
- P003
Where you will meet it
Cargo areas of tankers and gas carriers, the manifold, the battery room, the paint store, gas bottle stores.
What it means in practice
No open flame, no sparks, no smoking. Flammable vapours can be present here: any ignition source risks an explosion.
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).