NGA Chart 509: Western Portion of Japan San Francisco No navigator should be without

No navigator should be without a good set of parallel rules as part of the navigation back up plan in the event of an electronic navigation failure

12221TR Chesapeake Bay Entrance

Chart Image Size: 46¼" x 31⅞"

Maptech Number 103- Edition 2

NGA Chart 509: Western Portion of Japan San Francisco No navigator should be withoutScale: 1: 3,500,000 Captain's Supplies is a Print on Demand nautical chart dealer for NGA Charts. Charts are printed on high quality heavy paper with waterproof ink. Other options available. NGA charts are printed using the most recent data provided by the National Geospatial Intelligence Agency (NGA). Much of this data may no longer be current. Boaters are advised to consult the "Corrected through NM ## ##" note in the margin of the chart for