‘Magenta Line’ will get safer route on charts - Soundings Online

‘Magenta Line’ will get safer route on charts

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It's more than 70 years old, a thin magenta-colored line appearing on more than 50 different navigational charts covering the Atlantic Coast and Gulf, snaking along the route of the Intracoastal Waterway.

Now, thanks to NOAA's Office of Coast Survey and a public-private partnership with Active Captain, an interactive cruising guidebook, NOAA will be updating the "magenta line" on all of its newly-issued navigational charts to help keep boaters in safe waters.

"Some boaters had assumed the magenta line, which was last updated in 1935, was a precise route through safe waters," said BoatUS government affairs senior program coordinator David Kennedy. "However, over time the forces of nature made the line inaccurate as shoals shifted and underwater topography changed, leading some boats into shallows, over dangerous obstructions, or even into land.”

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