Tag: NOAA ENC

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NOAA updates bridge clearances crossing one of the most important waterways in the United States

An image showing the Crescent City Connection Bridges taken from the left ascending bank of the Mississippi River with the city of New Orleans in the background.

The Port of New Orleans, is one of the largest ports in the United States. It spans both sides of the Mississippi River in the state of Louisiana, with its lower limit situated approximately 80 miles above the confluence of three major passes used to access the river from the Gulf of Mexico. The city of New Orleans serves as the primary commercial hub within the port’s limits. As one of the largest cities along the Gulf Coast, it is a natural gateway for trade, connecting the vast central and southern regions of the nation, particularly the entire Mississippi River Valley, via numerous inland water routes.

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Coast Survey improves access to data on thousands of wrecks and obstructions

Knowing the locations of shipwrecks and other obstructions has always been important for safe navigation ‒ but mariners are not the only people who want to know about wrecks. They are also important for marine archeology, recreational diving, salvage operations, and fishing, among other interests. Now, Coast Survey has improved our Wrecks and Obstructions Database, giving everyone easy access to new records to explore.

Web-based map of wrecks
Coast Survey’s wrecks and obstructions database provides info on thousands of wrecks.

Historically, Coast Survey has maintained two separate sources of information on wrecks. We recently combined the sources, bringing together information on nearly 20,000 wrecks and obstructions.
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After ten years of NOAA ENCs, nearly 10 million (free) downloads per month!

It was only ten short years ago that NOAA began issuing electronic navigational charts (NOAA ENC®) as official products. As we look back, the promises of a product that emerged a decade ago continue to beckon, with even more uses and greater usage.
“We still make the traditional paper charts that mariners have depended on, but the world of navigation is changing, and Coast Survey is helping to lead that change,” explains Rear Admiral Gerd Glang, director of NOAA’s Office of Coast Survey. “Increasingly, mariners use – and soon will be required to use – electronic systems and displays to view and manage the safe navigation of their ships.”
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