Notice is hereby given to all mariners and other parties concerned that:

1. Reference: Message from Commander, Coast Guard District National Capital Region-Central Luzon dated 29 July 2019.

2. Above reference pertains to TRINAV Surveys Incorporation will conduct a Bathymetric and Seismic Survey across Manila Bay to investigate sea floor depths and determine subsurface profiles from Mariveles, Bataan to Naic Cavite on the date and maritime areas bounded by following coordinates:

Inclusive date
Area of coverage
01 August 2019 to 31 August 2019
Mariveles, Bataan to Naic Cavite
PT A Lat 14°26.81’ N
         Long 120°33.53’ E
PT B Lat 14°26.81’ N
         Long 120°44.79’ E
PT C Lat 14°18.36’ N
         Long 120°33.52’ E
PT D Lat 14°18.36’ N
         Long 120°44.79’ E

3. In this connection, all ships/watercrafts transiting of above mentioned are advise to take note of information and take precautionary measures at all times. 

4. The cooperation of all concerned in effecting widest dissemination of this information is requested.