CHAPTER 5 - NAVIGATIONAL AIDS

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NAUTICAL CHART MANUAL - VOLUME 1 - POLICIES AND PROCEDURESSeventh (1992) Edition CHAPTER 5 - NAVIGATIONAL AIDS Department of CommerceOffice of Coast SurveyNATIONAL OCEAN SERVICEOffice of Coast SurveyMarine Chart DivisionCARTOGRAPHIC ORDER 021/01 December 7, 2001____________________________________ ________________________________________ __FILE WITH NAUTICAL CHART MANUAL, VOLUME 1, PART 2, SECTION : All Cartographers Marine Chart DivisionSUBJECT: Revision of the Temporary Defects Caution Note and the Combined Temporary Defects/Seasonal Aids Caution NoteAPPLICATION: All Affected Nautical ChartsEffective immediately, the content of the last sentence of the Temporary Defects Caution Note shallbe revised from See Notice to Mariners. to See Local Notice to Mariners. CAUTION Temporary changes or defects in aids tonavigation are not indicated on this chart. SeeLocal Notice to Mariners.

navigation. Any aid to navigation using electronic equipment, whether or not radio waves are involved, may be considered an el ectronic aid to navigation. Lights , fog sign als, buoys, daybeacons, landmarks, radiobeacons and LORAN- C lattices are the principal aids to navigation shown on MCD charts.

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