Archive for the ‘Nautical charts’ Category
A NOAA ship plying the waters off the coast often inspires public curiosity. This is especially true when boaters and others see the ship or her launches just go back and forth, back and forth, all day. It’s not a surprise, then, that NOAA Ship Rainier’s latest project is generating questions from the areas around Protection Island and Lopez Island, Washington.
Don’t worry, there is no problem! NOAA’s Office of Coast Survey is collecting bathymetric data to update nautical charts that are currently displaying depth measurements acquired from surveys conducted from 1940 to 1969. Survey vessels go back and forth, in a maneuver that is similar to mowing the lawn, as they use multibeam echo sounders to measure the depths and to “see” the ocean floor. If any of the vessels discover a danger to navigation – an uncharted wreck or other obstruction, for instance – Coast Survey will immediately inform the U.S. Coast Guard and the information will be relayed to ships and boaters through a Local Notice to Mariners.
NOAA Ship Rainer with her launches aboard
Rainier is one of the NOAA ships dedicated to hydrographic surveys for updating the nation’s nautical charts and other uses. During this project, the ship is using her survey launches to conduct the majority of the survey. Rainier has four 29-foot aluminum boats – each equipped with a high-resolution multibeam echo sounder – that they carry aboard ship. Rainier deploys the launches in the morning to survey, and retrieves them in the evening.
Data acquired by Rainier and her launches will be used to update charts 18465, 18434, 18471, and others, as well as the corresponding electronic navigational charts. (See the full array of charts covering this and other areas, here.) This particular hydrographic survey project, which covers approximately 22 square nautical miles in the Strait of Juan de Fuca, is part of a multi-year project to conduct modern hydrographic surveys and completely update the nautical charts of the waters from Port Angeles to Port Townsend and north to Bellingham, including the San Juan Islands.
This survey project area is a critical priority for updating the charts, since it is near three high-density traffic lanes separated by shoal areas and is frequently transited by large commercial vessels traveling both north to Cherry Point and Vancouver, British Columbia and south to Tacoma and Seattle. The waterways of Puget Sound and the Strait of Juan de Fuca, which have pristine environments, are important for marine transportation, recreation, and national security and defense.
Rainier, with her 50-person crew, commanded by NOAA Commander Edward J. Van Den Ameele, is expected to wrap up the project by late November.
NOAA today announced that Lake Assault Boats of Superior, Wisconsin, will build two small vessels for the Office of Coast Survey’s navigation response program, part of a plan to eventually replace all six of the program’s small survey boats. The combined cost of both 28-foot vessels is $538,200.
“All of the navigation response team survey boats are nearing or have exceeded their designed service life,” said Russ Proctor, division chief of Coast Survey’s Navigation Services Division. “A phased program to replace the navigation response team boats over the next three to five years will help NOAA maintain the program’s crucial capacity for inshore surveys and rapid response in emergencies.”
The navigation response team (NRT) boats, which accommodate three-person crews, carry high-tech multibeam echo sounders and side scan sonar to conduct hydrographic surveys in critical navigation areas. The surveys collect data to update nautical charts, and search for underwater debris or shoaling that could pose a danger to navigation — especially after hurricanes or other national emergencies.
“The modernization of the NRT fleet will continue to ensure reliable and rapid deployments to ports that need chart updates and assistance with recovery after severe weather events, even as it helps NOAA hold down costs,” Proctor said.
Coast Survey is phasing the retirement of its current fleet of NRT vessels, prioritizing the replacement of boats experiencing the highest escalating maintenance costs. Coast Survey expects delivery of the first two boats in April 2015.
The six navigation response teams are placed strategically around the country, and each boat can be transported over land. In the past three years, underwater searches by NRTs have helped to speed the resumption of maritime commerce following Hurricane Isaac (in Port Fourchon, Louisiana); Sandy (in the Port of New York / New Jersey, and in Delaware Bay); and the 2011 tsunami (Crescent City and Santa Cruz, California). An NRT also assisted the National Park Service in re-establishing safe navigation and docking at the Statue of Liberty after Sandy, and surveyed the Potomac River security zone in preparation for the 2013 Presidential Inaugural.
Nautical chart data acquired by the navigation response teams supplement hydrographic surveys conducted by NOAA ships Rainier, Fairweather, Thomas Jefferson, Ferdinand R. Hassler, and research vessel Bay Hydro II, as well as private survey companies under contract to NOAA.
Escorted by harbor police after Hurricane Isaac, the Coast Survey navigation response team had to skirt downed utility poles and hanging wires on closed Hwy 1, as they made their way from Lafayette to Port Fourchon.
A navigation response team had to clear away debris on the ramp so they could survey Marcus Hook Anchorage on the Delaware River in Sandy’s aftermath.
NOAA has issued a new nautical chart for the Delong Mountain Terminal, a shallow draft port servicing the Red Dog Mine, on the western coast of Alaska in the Arctic. New chart 16145 fills in historically sparse depth measurements, using new survey data recently acquired specifically for this chart.
“This chart is important to the Arctic economy, giving navigational intelligence for the vessels shipping zinc and lead from Red Dog Mine, one of the world’s largest producer of zinc concentrate,” explained Rear Admiral Gerd Glang, director of NOAA’s Office of Coast Survey. “The new chart offers vastly more navigational information than the only other available chart of the area.”
The Delong Mountain Terminal is a shallow draft port servicing the Red Dog Mine, which is located about 50 miles inland. The terminal uses self-loading barges to ferry the ore concentrates to the deep draft ships anchored several miles offshore.
“The shipping season from the terminal only lasts about 100 days, so shipping efficiency is vital,” Glang points out. “This chart will help to improve those maritime efficiencies, as well as safety.”
Previously, the only official nautical chart available to transit the near shore area was the 1:700,000 scale chart 16005, which shows one depth measurement within three nautical miles of the approach to Delong Mountain Terminal. New NOAA chart 16145 offers a much more usable 1:40,000 scale coverage, with updated shoreline measurements and newly acquired hydrographic information. It shows dozens of depth measurements in the approach to the terminal, representative of thousands of soundings, to give the mariner accurate depths for navigation.
This is NOAA’s third new Arctic chart issued in the past three years. Chart 16161 (ENC US5AK97) for Alaska’s Kotzebue Harbor were issued in 2012, and chart 16190 (ENCs US4AK8D and US5AK8D) for Bering Strait North were issued in 2013.
Ah, the boat is ready, the safety vests are stowed on board, the sky is blue, and the water beckons… But hold on a sec, sailor! Where is your nautical chart?
A terrific t-shirt is sold in tourist shops at some of our nation’s harbors. It has a “definition” of a nautical chart splayed across the front: “chärt, n: a nautical map that shows you what you just hit.” It’s funny… but unfortunately, too true too often.
Resolve to get your nautical chart this year and consult it before you hit something. Advancements in Coast Survey’s digital processes now allow us to review and update charts weekly, and get them to boaters’ fingertips faster − and with less expense − than was possible years ago.
So, what product is best for you? Check out the options…
Paper nautical charts, printed “on demand.” Coast Survey maintains 1,025 nautical charts and provides the digital chart images to NOAA-certified agents, who print the latest version (incorporating weekly updates) when you order it. Order from any of our print agents – several with distribution to local marine shops – that offer different papers and optional premium services.
Free PDF nautical charts. Almost all nautical charts are available for download from our map-based interactive chart catalog or the numbered list. Crop, re-size, print or display them. (Just don’t use them for navigation if you are a SOLAS vessel, since regulated vessels need charts from NOAA-certified printers.)
Free BookletCharts™. For easy printing at home, choose NOAA BookletCharts. These PDFs have the same information as the regular paper charts, but they are sliced and diced into 8 ½ x 11” pages, so you can keep them in a regular notebook. Some boaters like to slide the pages into sheet protectors to protect them from the spray.
Free raster navigational charts. The NOAA RNC® is a geo-referenced digital image of the paper chart, used in a variety of commercial electronic charting systems.
Free electronic navigational charts. The NOAA ENC® is produced from a vector database of features. It supports real-time navigation as well as collision and grounding avoidance. ENCs are used by many computer navigation programs and mobile apps, as well as ECDIS.
Free historical charts (in jpg). Reflecting Coast Survey’s beginnings as the first scientific agency in the U.S. government, the Historical Map & Chart Collection has nearly 35,000 images of nautical charts, topographical maps, sketches, and more.
Okay, you’ve decided which product you want. Now, what chart do you need?
Coast Survey’s map-based interactive chart catalog makes it easy to find and download the chart(s) you need.
Chart catalogs are handy to have around. (Note: Coast Survey is transitioning from the large format to an easier 8½ x 11″ PDF catalog that you can print at home. Some of the catalogs are beginning to appear on Coast Survey’s website now, with all five catalogs scheduled for completion by the end of June.)
More information is available to make your trip more enjoyable.
The United States Coast Pilot® is a nine-volume book series (geographically based) that contains a wealth of information: regulations, facilities, weather, prominent features, radio procedures, currents, small-craft facilities, and more. They are now available as free PDFs, or you can purchase hard copies from NOAA-certified print agents.
nowCoast is a map-based portal that provides one-stop access to coastal observations and forecasts.
Coast Survey’s wrecks and obstructions database provides latitude and longitude on thousands of wrecks along U.S. coasts and in the Great Lakes, along with some historic and descriptive details (where available).
Does a chart have wrong or outdated information? Report discrepancies.
Seafloors, channels, shorelines, and aids to navigation are constantly changing. Coast Survey applies corrections to charts and the Coast Pilot every week, but we need the public’s help pinpointing changes in the 3.5 million square nautical miles of U.S. charted waters. Report charting discrepancies.
Have a happy and SAFE boating season!
New certified printing agents bring buying options
It won’t be long before mariners and the boating public will have a wider choice of options and special services when they purchase NOAA paper nautical charts, thanks to NOAA’s expanded “print-on-demand” chart production and distribution system, Coast Survey officials announced on April 4. Coast Survey recently certified new print-on-demand chart printing agents, and gave them the flexibility to offer different color palettes, various papers, a cleaner margin, and a range of services.
Rear Admiral Gerd Glang and Capt. Shep Smith inspect sample charts submitted by new print agents.
NOAA has now authorized seven companies to sell NOAA’s paper nautical charts that are printed when the customer orders them — or “on demand.” The information on the charts is still maintained by NOAA, and the charts are corrected with Notices to Mariners up to the week of purchase.
“Last October, we announced that NOAA would stop using the government printing and distribution system we originally adopted in 1861,” explained Rear Admiral Gerd Glang, director of NOAA’s Office of Coast Survey. “We asked private companies to help us transition from the government-run system to a robust and competitive market for paper nautical charts, and we are pleased with the results.”
Five companies have now joined the original “print-on-demand” distributor OceanGrafix and the more recently certified East View Geospatial. The newly certified companies are Frugal Navigator, Marine Press, Paradise Cay Publications, The Map Shop, and Williams & Heintz Map Corporation.
Glang is confident that the expansion of the print-on-demand program will lead to new options for all who purchase U.S. nautical charts. As a premium service, for example, print agents are authorized to customize charts with user-specified overlays.
“With more chart printing agents, we hope to encourage competition and ensure fully up-to-date charts are widely available. Buyers can shop around and find different types of paper, or choose between traditional or new color palettes. Our printing agents can offer delivery or in-shop service, and customers can have their navigation track lines or other information printed as overlays on their chart,” Glang pointed out.
Rear Admiral Glang certifies one of the new printing agents for NOAA’s paper nautical charts.
“All charts sold by NOAA-certified printing partners are NOAA charts and fully meet navigational requirements.”
For the last 150 years, the federal government produced nautical charts using lithographic printing presses. Although chart-making techniques advanced from the 19th century’s delicate hand-applied etchings on copper plates to a process that is now completely computer-based, the system remained based on printing large volumes of charts, then selling them from stock for years. Charts for sale were gradually more and more outdated until a new edition was printed. The print on demand system allows the changes made by Coast Survey cartographers to reach mariners much faster.
Coast Survey continues to examine applications from additional companies wishing to become certified as NOAA chart printing agents. The examination process includes testing of applicants’ sample charts, to make sure they stand up to normal onboard usage conditions.
The paper charts sold by the NOAA-certified printing agents meet carriage requirements for ships covered by Safety of Life at Sea regulations, specified in Title 33 of the Code of Federal Regulations.
Coast Survey added three more printing companies to its roster of certified agents for paper charts, bringing the total to ten companies authorized to sell NOAA nautical charts that are printed when the customer orders them ‒ or “on demand.” Companies with histories going back decades, and even centuries, support a firm foundation for the continuing production and delivery of U.S. paper nautical charts. Iver C. Weilbach & Co. A/S, which became a certified printing agent this week, is one of oldest private owned companies in the maritime industry ‒ established in 1755 in Copenhagen, Denmark. Granville Printing has provided services since 1988, and East End Blueprint has also been in business for over 25 years.
In November 2013, we introduced NOAA ENC Online – a continuous viewer for our electronic navigational charts. You can click on the web map and zoom to selected features or locations, to see the information contained in over a thousand electronic charts of NOAA-charted waters. Each zoom moves you through an ENC depiction that takes into account the ENC scale and other attributes that are encoded in the ENC, allowing features to become visible or invisible as you seamlessly zoom in and out of the data.
NOAA ENC Online is based on Esri’s Maritime Chart Server.
Now this latest release of NOAA ENC Online lets you:
- Set a shallow and deep depth contour, which changes the shading to those parameters
- Set a safety contour (In electronic charting systems, the safety contour is set based on the ship’s draft changes the depiction of rocks, wrecks and obstructions to isolated dangers depending on if the water is “safe” or “unsafe” for vessel navigation.)
- Change between S-52 simplified and S-52 traditional symbols
- Change the background colors of the display based on the S-52 color palette for different light conditions on the bridge of a ship
- Turn off certain features based on different categories such as buoys and traffic routes
NOAA ENC Online is not certified for navigation. It does NOT fulfill chart carriage requirements for regulated commercial vessels under Titles 33 and 46 of the Code of Federal Regulations.