Notice is hereby given to all mariners and other parties concerned that:
1. Reference: Philippine Navy Radio Message Cite NOCB-0817-143
2. The following Philippine Navy vessel will conduct test firing of their naval guns on dates and maritime areas indicated as follows:
| BOW | DATE | VICINITY | COORDINATES |
| PC381 | 30 AUG 17 | 5 NM SE OFF PATA ISL., SULU |
PT. A – LAT 05° 45.000’ N LONG 121° 10.000’ E PT. B – LAT 05° 40.000’ N LONG 121° 10.000’ E PT. C - LAT 05° 45.000’ N LONG 121° 15.000’ E PT. D – LAT 05° 40.000’ N LONG 121° 15.000’ E |
| PC387 | 08 SEPT 17 | 12 NM SE OFF MATANAL PT., BASILAN PROVINCE |
PT. A – LAT 06° 24.809’ N LONG 122° 25.086’ E PT. B – LAT 06° 32.812’ N LONG 122° 24.960’ E PT. C - LAT 06° 33.022’ N LONG 122° 33.042’ E PT. D – LAT 06° 24.824’ N LONG 122° 33.139’ E |
| PC393 | 15 SEPT 17 | 15 NM SW OFF LAPITAN PT., LANAO DEL SUR |
PT. A – LAT 07° 28.945’ N LONG 123° 47.590’ E PT. B – LAT 07° 28.944’ N LONG 123° 49.674’ E PT. C - LAT 07° 26.834’ N LONG 123° 49.674’ E PT. D – LAT 07° 26.865’ N LONG 123° 47.590’ 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.