Danger - strong current
Code: AS21
Caution - diving area
Code: AS22
Caution - slipway
Code: AS23
Danger - water skiing area
Code: AS24
Warning - shallow water
Code: AS25
Warning - sudden drop
Code: AS26
Warning - rowing area
Code: AS27
Danger - deep water
Code: AS28
Danger - thin ice
Code: AS29
Warning - sailing area
Code: AS30
Caution - slippery surface
Code: AS31
Fishing area
Code: AS32
Swimming area
Code: AS33
Sub-aqua area
Code: AS34
Snorkeling area
Code: AS35
Life jackets to be worn
Code: AS36