Notice is hereby given to all mariners and other parties concerned that:
1. Reference: Philippine Navy Radio Message Cite NOCB-0218-033.
2. The Philippine Navy’s vessel PC378 and PC383 will conduct test firing on 26 February to 02 March 18 at Vicinity 20 Nautical Mile West Off Darigayos River, Luna, La Union on 28 Feb 2018 at vicinity 16.5 Nautical Mile West Off Malimona, Surigao Del Norte respectively bounded by the following coordinates:
| POINT | LATITUDE | LONGITUDE | |
| POINT A | 16⁰ 57,050’ N | 119⁰ 50.000’ E | |
| PC378 | POINT B | 16⁰ 48.880’ N | 119⁰ 50.100’ E |
| POINT C | 16⁰ 49.040’ N | 119⁰ 58.440’ E | |
| POINT D | 16⁰ 57.150’ N | 119⁰ 58.550’ E | |
| POINT A | 09⁰ 37.75’ N | 125⁰ 10.59’ E | |
| PC383 | POINT B | 09⁰ 37.64’ N | 125⁰ 04.82’ E |
| POINT C | 09⁰ 31.68’ N | 125⁰ 04.75’ E | |
| POINT D | 09⁰ 31.60’ N | 125⁰ 10.57’ 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.