Notice is hereby given to all mariners and other parties concerned that:
1. Reference: Philippine Navy Radio Message Cite NOCB-0416-191.
2. The Gunnery Exercise of Philippine Navy vessels PG388 on April 08, 2016 was reschedule to May 03, 2016 at 8.2 Nautical Miles Southwest off Datu Blah Sinsuat, Maguindanao and bounded by the following coordinates:
| Point A | Latitude | 06 degs 42.094 mins North |
| Longitude | 123 degs 42.934 mins East | |
| Point B | Latitude | 06 degs 43.678 mins North |
| Longitude | 123 degs 51.096 mins East | |
| Point C | Latitude | 06 degs 35.989 mins North |
| Longitude | 123 degs 43.800 mins East | |
| Point D | Latitude | 06 degs 37.293 mins North |
| Longitude | 123 degs 52.147 mins East |
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.