NGA Chart 56: Great Circle Sailing Chart of the North Pacific Ocean Richard A Block Chart Image Size: 45½" x

Chart Image Size: 45½" x 31½"

Chart Image Size: 31" x 37"

Last Correction: 28-May-2019

Updated November 2024

Chart Image Size: 39½" x 29⅝"

NGA Chart 56: Great Circle Sailing Chart of the North Pacific Ocean Richard A Block Chart Image Size: 45½" xScale: N A 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 additional