文档介绍：[1]Sailing directions are kept uptodate by______. tomariners Summary ofAdmiralty Notices toMariners [2]Every new supplement tothe Sailing Directions ______ the previous one . [3]______ amplify charted detail and contain information needed for safe navigation . Sailing Directions List ofLights List ofSignals Notices toMariners [4]The Admiralty Notices toMariners can beobtained ______ byMasters ofvessels from any Admiralty Chart Agent . ofcharge noresponsibility limitations ofdistribution little charges [5]Owing toold data ofthe survey the positions and number ofthe beacons shown onthis chart are not tobe______. upon [6]No navigational aids are shown and the chart isnot kept corrected for alterations indepths inside the pecked lines .For more detailed information ,the larger scale charts must be______. to with [7]Navigational charts are subject tofrequent changes ,the important ones ofwhich are promulgated by______. Notices toMariners 's Handbook Directions [8]Charts are subject tofrequent correction according to______. toMariners 's handbook Directions