Notice is hereby given to all mariners and other parties concerned that:
1. Reference: Letter from Mr. Wilson B. Villanueva, Director-Commercial Manager, EGS Asia Inc. dated November 20, 2017.
2. EGS Asia Inc., a registered Philippine survey company has been contracted by Cavitex Holdings, Inc. to conduct a Single-Beam Echo Sounding Survey (SBES) and Metocean Study at proposed Sangley International Airport project near Sangley Point Cavite City on areas bounded by the following coordinates:
| Point 1 | Latitude 14 degs 28.836 mins North | Longitude 120 degs 53.413 mins East |
| Point 2 | Latitude 14 degs 28.834 mins North | Longitude 120 degs 52.786 mins East |
| Point 3 | Latitude 14 degs 29.620 mins North | Longitude 120 degs 52.124 mins East |
| Point 4 | Latitude 14 degs 30.253 mins North | Longitude 120 degs 52.291 mins East |
| Point 5 | Latitude 14 degs 31.524 mins North | Longitude 120 degs 53.876 mins East |
| Point 6 | Latitude 14 degs 31.570 mins North | Longitude 120 degs 54.082 mins East |
| Point 7 | Latitude 14 degs 31.292 mins North | Longitude 120 degs 54.362 mins East |
| Point 8 | Latitude 14 degs 31.090 mins North | Longitude 120 degs 54.309 mins East |
| Point 9 | Latitude 14 degs 30.210 mins North | Longitude 120 degs 55.145 mins East |
| Point 10 | Latitude 14 degs 30.116 mins North | Longitude 120 degs 55.190 mins East |
| Point 11 | Latitude 14 degs 30.006 mins North | Longitude 120 degs 55.192 mins East |
| Point 12 | Latitude 14 degs 29.915 mins North | Longitude 120 degs 55.182 mins East |
| Point 13 | Latitude 14 degs 29.840 mins North | Longitude 120 degs 55.165 mins East |
| Point 14 | Latitude 14 degs 29.748 mins North | Longitude 120 degs 55.131 mins East |
| Point 15 | Latitude 14 degs 29.031 mins North | Longitude 120 degs 54.805 mins East |
| Point 16 | Latitude 14 degs 29.158 mins North | Longitude 120 degs 54.521 mins East |
| Point 17 | Latitude 14 degs 29.207 mins North | Longitude 120 degs 54.447 mins East |
| Point 18 | Latitude 14 degs 29.340 mins North | Longitude 120 degs 54.302 mins 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.
4. The cooperation of all concerned in effecting the widest dissemination of this information is requested.