Notice is hereby given to all mariners and other parties concerned that:

1. Reference: Philippine Navy Radio Message Cite NOCB-0418-070.

2. The Philippine Navy Vessel PB341 will conduct test firing of their Naval Guns on dates and maritime areas bounded with the following coordinates:

3. In this connection, all ships/watercrafts transiting the vicinity of the abovementioned areas are advised to take note of the information and take necessary precautionary measures at all times

4. The cooperation of all concerned in effecting widest dissemination of this information is requested.