Notice is hereby given to all mariners and other parties concerned that:
1. Reference: Philippine Navy Radio Message Cite NOCB-0617-268
2. The Philippine Navy vessel PC383 will conduct test firing of her Naval Guns CTG, 25 MM heit ammunition anytime from 01 to 31 July 17 at vicinity 7.5 NM SW Off Hornos Point, Mariveles, Bataan bounded with the following coordinates:
| POINT | LATITUDE | LONGITUDE |
| A | 14° 18.00’ N | 120° 25.00’ E |
| B | 14° 18.00’ N | 120° 20.00’ E |
| C | 14° 13.00’ N | 120° 25.00’ E |
| D | 14° 13.55’ N | 120° 20.00’ E |
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.