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

1. Reference:Message from Commodore JACINTO M CABLAYAN Director of National Mapping and Resource Information Authority dated 11 September 2017 received 13 September 2017.

2. The Philippine Navy Vessel FF11 will conduct test firing of their naval guns from 25 to 26 September 2017 at the vicinity 21 nautical miles southwest off Corregidor Island in the area bounded by the following coordinates:

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

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