Notice is hereby given to all mariners and other parties concerned that:
1. Reference: Letter from COMMODORE JACINTO M CABLAYAN Director of Hydrography Branch of National Mapping and Resource Information Authority dated March 17, 2016.
2. The BRP Hydrographer Hizon and the BRP Hydrographer Palma of the National Mapping and Resource Information Authority (NAMRIA) will conduct a hydrographic survey starting March 15, 2016 to April 30, 2016 with the following coordinates:
BRP Hydrographer Hizon
| Point | Latitude | Longitude |
| A | 14° 23’ 05.1573” North | 120° 29’ 29.3596” East |
| B | 14° 26’ 57.6700” North | 120° 40’ 11.1596” East |
| C | 14° 29’ 14.2494” North | 120° 37’ 21.7335” East |
| D | 14° 24’ 33.1620” North | 120° 28’ 34.19256” East |
BRP Hydrographer Palma
| Point | Latitude | Longitude |
| A | 14° 25’ 58.1798” North | 120° 41’ 30.9830” East |
| B | 14° 20’ 35.5943” North | 120° 48’ 03.1405” East |
| C | 14° 12’ 05.9376” North | 120° 36’ 31.9851” East |
| D | 14° 15’ 18.2468” North | 120° 34’ 30.0716” East |
| E | 14° 21’ 13.6541” North | 120° 38’ 52.1681” East |
| F | 14° 23’ 32.0380” North | 120° 38’ 52.1681” East |
3. In this connection, all ships/watercrafts transiting the vicinity of the above-mentioned 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.