The Weems Parallel Plotter is our most popular Weems plotter

Chart Image Size: 41½" x 30

up or down the Pacific Coast

Scale: 1:10000

Chart Image Size: 29" x 33"

NGA Chart 21604: The Panama Canal from Gatun to Gamboa Sight Reduction Tables The Weems Parallel Plotter isScale: 1: 30,000 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 additional