Illustration of midchannel, no light channel buoy
Unicode: 1F1F3-1F1F4
Illustration of danger no swimming lifeguard flag in United Kingdom
Illustration of no inflatables lifeguard flag for United Kingdom
Unicode: 1F6B3
Unicode: 26D4
Unicode: 1F6AF
Unicode: 1F4F5
Unicode: 1F6B7
Illustration of no propagule colonisation
Unicode: 1F6AD
Illustration of no take zone sign
Unicode: 1F6AB
Illustration of seasonal fishing closure sign