Notice is hereby given to all mariners and other parties concerned that:
1. Reference: Philippine Navy Radio Message Cite NOCB-0517-220
2. The following Philippine Navy vessel will conduct test firing of their naval guns on dates and maritime areas indicated as follows:
| BOW NR | DATE | VICINITY | COORDINATES |
| PT. A – LAT 11° 10.00’ N | |||
| LONG 119° 56.00’ E | |||
| PT. B – LAT 11° 04.00’ N | |||
| LONG 119° 56.00’ E | |||
| BA487 | 27 MAY 17 | 10 NM SE OFF LINAPACAN ISLAND, PALAWAN | PT. C - LAT 11° 04.00’ N |
| LONG 120° 01.00’ E | |||
| PT. D – LAT 11° 10.00’ N | |||
| LONG 120° 01.00’ E | |||
| PT. A – LAT 11° 56.227’ N | |||
| LONG 122° 22.759’ E | |||
| PT. B – LAT 11° 56.227’ N | |||
| PC372 | 02 JUN 17 | 13 NM N OFF AKLAN PT., KALIBO, AKLAN | LONG 122° 24.755’ E |
| PT. C - LAT 11° 58.239’ N | |||
| LONG 122° 24.755’ E | |||
| PT. D – LAT 11° 58.239’ N | |||
| LONG 122° 22.759’ 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.