PH5PLMBT - PORT OF POLAMBATO AUTHORITIES National Mapping and Resource Information Authority Hydrography Branch Manila, Philippines www.namria.gov.ph SATELLITE-DERIVED POSITIONS Positions obtained from Global Navigation Satellite System (GNSS) are normally referred to WGS84 Datum. Such positions can be plotted directly on this chart. IALA MARITIME BUOYAGE (REGION B) Mariners are advised that some buoys and beacons may not conform to the IALA system. DEPTHS The areas on this chart have been systematically surveyed using single beam systems. Uncharted dangers may exist on the areas of this chart. AIDS TO NAVIGATION Temporary defects in aids to navigation are not indicated on this chart except where a buoy replaces a fixed aid. See Notices to Mariners. FISH TRAPS Numerous fish traps exist, charted and uncharted in the area covered by this chart. Their positions may change frequently without notice. END OF FILE