Explore the slope, elevation, and distance along a path. SeaRates improves Distance&Time with data from ports and locations around the world. Yes, this is only an estimation but I am sure you could get a good understanding of how far a square is by using this method. The distances in the tables have been calculated using routes which have been plotted by experienced Master Mariners and updated by Marine Navigators using recognised industry voyage planning methods. g. 868976242 nautical mile (nmi) = 1. World Sea Ports Find Ports by Shipping Line Sea Lines Explorer Unit converter Demurrage & Storage Shipping lines directory . Seametrix is the only sea distance calculator that offers correct and real-world Rhumbline & Great-Circle nautical mile calculation results. To reduce the number of listings needed, junction. beaches migrate from neighboring nations like the Bahamas, Cuba, and Mexico. j uː b / DAN-yoob; known by various names in other languages) is the second-longest river in Europe, after the Volga in Russia. Limited Time. Nautical miles are used to measure the distance traveled through the water. Calculate the total nautical distance of your sea voyage with ease. Each navigation method is calculated by a different server, with different data. The average cruising speed for most yachts is between 8-12 knots (9-14 mph). To find speed, time or distance, enter a value in two of the three fields, and the third will be calculated for you. org belongs to JSC "ISPsystem". Maritime history is the study of human interaction with and activity at sea. To find speed, time or distance, enter a value in two of the three fields, and the third will be calculated for you. 3 280. A nautical mile is based on the circumference of the Earth and is used by sea and air navigators. The nautical mile (symbol nmi, M or NM) is a non-SI unit of length used in navigation (both marine and aerial). Conversions. 1508 land-measured (or statute) miles (1. 84 mi (141. Similar to the speed and distance measurement on land, the nautical mile and knot explain the movement of a vessel at sea. Copyright © 2023 by SEA-DISTANCES. e. Search for popular ships globally. Searates is Leading International Digital Freight Marketplace with the powerful Network of Independent Freight Forwarders. For example, if it took 40 paces to cross it and the island is 1/4 of a square, then 40m x 4 = 160m. 002: 0. Navigation tools. One species of baleen whale, the gray whale, makes a 10,000- to 14,000-mile round trip on its. Nautical Miles : The nautical mile (symbol M, NM or nmi) is a unit of length, defined as 1,852 meters (approximately 6,076 feet). In the Distance calculator, enter the speed value and conversion units. A mile is a unit of distance equal to 5,280 feet or exactly 1. In the English measurement system, a nautical mile is 1. 609344 kilometers. Shows the distance from Port to the North Pole, Equator, South Pole and any place in the world. below the level of the Mediterranean. Explore all-in-one maritime details for ports world wide. 3) Use "2" to populate "1" with the latest US charts. 54). One essential topic for Short Sea Shipping competitiveness is the time because distances use to be covered in approximately. Analyse your emissions and distance of your container shipments on a. 00 m c. The Distance Calculator can find distance between any two cities or locations available in The World Clock. Supplied by Veson Nautical, Sea-web Distance Tables offer a convenient tool to access millions of routes for voyage estimation and comparison. 52 mi (1,943. A nautical mile is the measure of distance that navigators use at sea. 15 miles per hour) or approximately 1. A tool for carriers to provide accurate tracking . Submit. distances, find the departure port in the alphabetical listing and select the desired arrival port and distance listed below. The driving distance from Seattle (SEA) to Dallas (DFW) is 2084 miles / 3354 kilometers, and travel time by car is about 36 hours 59 minutes. My suggested method for visiting the Dead Sea from Amman is to rent a car and drive yourself there. How to convert Miles to Nautical Miles? To convert land miles to nautical miles, divide the measurement in miles by 1. MarineTraffic Data is the ultimate source for port intelligence. Thus, land navigation happens in land miles, while marine and air navigation happens in nautical miles. • Astoria to Unimak Pass, AK (Table 27) is 1,626 miles As a responsible to all aspects of maritime deeds website shiptraffic. Check Shipping Vessels Schedules By Routing, By Port, By Vessel, or By Carrier Find port. DD), degrees and decimal minutes (DD:MM. All available through a secure, unified and easy to use RESTful web service. One kilometer (km) = 0. There are 0. Compare shipping rates and plan your deliveries with. Accurate routes, sea distances and transit times are key criteria for improved decision making. The database currently holds more than 9,500 ports and maritime locations, and more than 83,000 waypoints contribute to the accuracy of the calculation. Distance and route computation. SeaRates is the largest tariff search engine in the world for international shipping. Nautical Miles to Miles Conversion Table. also exists for planning, conducting and reporting sea trials [ISO 2005]. The nautical mile (symbol nmi, M or NM) is a non-SI unit of length used in navigation (both marine and aerial). , 90 = 1 min 30 sec), and the calculation will produce speed in knots. The nautical mile (nmi) = 1. How far is it? + + Distances from SEA #1 SEA Seattle Tacoma International Airport SeaTac, King County, Washington, United States of America . How many feet are in a nautical mile? Use this easy and mobile-friendly calculator to convert between nautical miles and feet. 06° and the compass direction is W. We empower maritime and logistics stakeholders with the most accurate routes to better plan, track, and improve journeys from point A to point B. 9. The driving distance from Seattle (SEA) to Orlando (MCO) is 3117 miles / 5017 kilometers, and travel time by car is about 55 hours 7 minutes. No other marine software covers such a broad and detailed water navigational network! Netpas Distance is a Port Distance Table providing 12,000 ports and 0. As a responsible to all aspects of maritime deeds website shiptraffic. The land mile is mostly used for expressing the distance between points on land surface, while nautical miles are mostly used for distances at sea, or through historical reasons: in the air. Please note that Fatalities can be performed when the Finish Them icon appears on screen at the end of a full two-round fight. The Sea Marsh Building will be on your left at 351 Sea Island Road. VAR 3. This sea has a surface area of roughly 438,000 km 2 and is about 2,250 km in length. What causes wind? differences in air pressure decreases in air temperature the occurrence of the Coriolis effect the even heating of Earth's. As modern tracking technology follows animals over ever-longer distances and durations, the last decade has revealed the largest daily migration and the. Then you know 160m=1 square. The results of the third and most-recent United. 347. Check the list of other websites hosted by JSC "ISPsystem" . How far is 20 leagues Under the sea? “20,000 Leagues Under the Sea” is a novel by Jules Verne, and the term “leagues” in this context refers to a measure of distance. World sea ports database, sea transportation, marine and ports market place, sea distances and routes. It is used in some countries for measuring road and sea distances. Searoutes is committed to making freight transportation and decarbonation work together for a greener and more sustainable international trade. ORG All Rights Reserved. Sea-distances. While many of the world's marine mammals migrate, none go the distance like giant baleen whales. In its simplest form, distance is a measure of how far away one thing is from another. DD), degrees and decimal minutes (DD:MM. Applying the Pythagorean theorem, we have r2 + d2 = (r +. Juvenile and adult loggerheads live in U. Discover information and vessel positions for vessels around the world. gov. You can use the equivalent formula d = rt which means. Distances:Approximately, the transportation will take: LCL (less than container load): 14 - 39 days. 58The high seas are not lawless. Provide the distance in miles, kilometers, or any other unit, and the result of the conversion will show up instantly. A tool for carriers to provide accurate tracking . Mediterranean Distances Tables. Boats with deeper draft may have to select longer routes to avoid shallows. to select the “best” trajectory in the cluster. It will give you the shortest route from any vessel's AIS position in the map to any port or combination of ports, and find the distance, time and ETA. The maximum width of the sea is 355 km, and the sea’s deepest point is 3,040 m at the central Suakin Trough, with the sea’s estimated. The calculation of cruising distances were determined from NOAA and Canadian Hydrographic Service digital charts in BSB format using the Fugawi Marine ENC™ navigation application. During the 20th century several attempts to develop an international “law of the sea” have been made under the aegis of the United Nations. One km is equal to one thousand of meters (British spelling: metre), which is the current SI base unit of length. 75 x 60 minutes in an hour. Shiptraffic. The sea route calculator is available in both products; ShipAtlas and ShipIntel. Sailing Distance Calculating Tool with support for multiple locations. Shore and Sea Boundaries summarizes the technical and legal aspects of determining maritime boundaries in the U. Search by IMO & MMSI number. The Red Sea is the world’s northernmost tropical sea and is also one of the most heavily traveled waterways. Transmate's freight rate management and tendering platform can be used to quickly. (1 nautical mile=6076. R is the radius of Earth (approximately 6,371 kilometers) h denotes your height above sea level. Search for popular ships globally. 000. Ship Types . Sea Distance & Time API. A nautical mile is a unit of length equal to exactly 1,852 meters. The Distance Calculator can find distance between any two cities or locations available in The World Clock. Kilometers. Input these numbers into the following. Seametrix uses the most sophisticated calculating algorithms,. 9 miles. The surface is 680 ft. net utilizes Sea Distance Calculator from port to port, Nautical Chart, Interactive map of the major 300 river, sea and ocean objects and regions like LAKE SUPERIOR, Maritime Locator useful to spot, find out and connect to Shipyards, Agents, Ship Suppliers, Bunkerers and. What sets this tool apart is the fact that the routes are based on actual voyage data recorded by MarineTraffic, as opposed to algorithmic routing that does not respect maritime traffic restrictions, such as Traffic Separation Schemes, safe waterways, turning. If you drive the ball 240 yards at sea level, you will carry it around 255 yards in Denver's mile high altitude. The relevant port(s) for countries with access to the sea is defined as the coastal region of a country which contains the highest number of shipping lines (landlocked countries are linked to the foreign port with the shortest road. Geodesic distance calculator. These portable angle-measuring tools served two purposes: improving latitude observations and finding longitude. There are 0. , 90 = 1 min 30 sec), and the calculation will produce speed in knots. The Marine Mammal Protection Act and the. API to calculate Sea distances, and lead time, used internally to get rate estimations. While map projections distort these routes confusing passengers, the great circle path is the shortest path between two far locations. The only exception to the latter is close to Holyhead, where streams may reach 3. Track Container Shipment and stay informed for Container Ships' Schedules. It demands a unique set of distance units that are tailored to the complexities of marine travel. Navigation requires a person to know the vehicle's relative location, or position compared to other known locations. It covers a broad thematic element of history that often uses a global approach, although national and regional histories remain predominant. 15. Searoutes CO 2 emissions calculator is an application to calculate your scope 3 emissions for all transport modes (sea, air, road, rail and barge). Freight transport by sea has been widely used throughout recorded history. Concourse C: Walk between the concourses or ride the yellow line to Concourse D and pick up the green line to Concourse C. Port Distance Desktop Edition helps you to obtain precise distances between ports, quickly and accurately estimate voyage costs and profits, and effectively manage budget records. Latitudes and longitudes may be entered in any of three different formats, decimal degrees (DD. 1/60th of that measure would be 1. The calculation used for determining the distance to the horizon takes into account variables such as vision, nautical miles, and the eyes. SEA DISTANCE CALCULATOR. Typically the points are usually ports, but the routing. They are equal to 1. Understanding latitude and. 514444444444444 metres per second (m/sec) one knot (kn) = 1. 7. Contour lines can never split or intersect (see Figure 2-4), because the point of. net utilizes Sea Distance Calculator from port to port, Nautical Chart, Interactive map of the major 300 rivers, seas and ocean objects and regions, Maritime Locator useful to spot, find out and contact Shipyards, Agents, Ship Suppliers, Bunkerers and nearby Sea Ports in the. Explore all-in-one maritime details for ports world wide. A nautical mile is the equivalent of 1,852 meters on land, based on the concept of longitudes and latitudes. Britain’s short sailing distances make varied and interesting itineraries easy to plan. If your elevation measurement reads "0," make sure the terrain layer is turned on. Each distance is along the shortest route that safe navigation permits between the two ports concerned. Report illegal or suspicious activity to 1-800-853-1964, (808) 643-DLNR (3567), or the DLNRTip App. 60,761,000. Duties of ships and aircraft during their passage, research and survey activities, duties of the archipelagic State and lawsThe distance to the sea is a fundamental variable in geography, especially relevant when it comes to modeling. All Rights Reserved. 3 . 5–5. 399. Vessel Tracking (AIS) Weather. Distance and Time. Particular seas are either marginal seas, second-order sections of the oceanic sea (e. Red Sea. Shows the distance from SEA to the North Pole, Equator, South Pole and any place in the world. On the shore, fully 2 miles from the Jordan, are the ruins of Tell. A large and historically important river, it was once a frontier of the Roman Empire. As a responsible to all aspects of maritime deeds website shiptraffic. Sea route calculator. The function VI03 -Port Distances and Routes will calculate distances between ports (simple response) and even provide a track (extended response). , particularly with respect to the use of data acquired by the Office of Coast Survey and its predecessors. The Marine Corps must evolve to meet the Commandant’s Planning Guidance goals. This mileage calculator estimates the number of driving miles between two locations in the United States. Come here first, when. Port Distance Calculator. Get Instant Quotes & 24/7 Support. 4'' N. It is 1852m, or 1 minute of the distance along the Earth’s equator. 15078 statute miles. 86897583 nautical miles in a mile. is also used by all nations for air and sea travel. The strength of our navigational route network, lies in its thoroughness and distance accuracy. The distance between Newark (New York Newark Liberty International Airport) and Seattle (Seattle–Tacoma International Airport) is 2402 miles / 3865 kilometers / 2087 nautical miles. For example, if there is a barrier in the way, you have to detour. VAR 3. Indigenous Peoples depend on sea ice to move freely and over great distances. For example:At sea, the distance commonly is measured in nautical miles (nm), whereas one nm is exactly 1852 meters. mil. 5°5'E (2015) ANNUAL DECREASE 8' Edit. com provides flight time and distance calculators free for the air charter industry. The distance 2 degrees 45 minutes 12 seconds is written as 2° 45' 12''. Well, not completely. A 6-time Group 1 winner at 3, Sea The Stars was one of the most successful and highest-rated middle-distance flat horses of all time, ranking as the 13th best flat horse ever on. . Analyse your emissions and distance of your container shipments on a. To find speed, time or distance, enter a value in two of the three fields, and the third will be calculated for you. It is commonly used to measure the distance between places in the United States and United Kingdom. Its radar sent out pulses of radio waves that reflected off the ocean surface, giving precise measurements of the distances between the satellite and the ocean at different points (Fig. Route construction. 852 kilometers). More than 4000 sea ports. Alboran Sea » 4. Because there is no time series variation in distance the regressions in this table include individual country dummies, not country pair dummies. Copyright © 2023 by SEA-DISTANCES. Sea Distance Calculator. A nautical mile is a non-SI unit of Length or Distance. When travelling by sea, distances are usually measured in nautical miles rather than statute miles or kilometres as this takes into account factors such as currents and wind direction which. ") Data table (Please fill in the highlighted cells and scroll down to see how the data translates into the graphs of "Time to Distanc. 2 kilometres) from the coastal baseline of a nation. nautical units. 18,520. Vancouver to Toronto distance (YVR–YYZ) Anchorage to Seattle distance (ANC–SEA) London to Sydney distance (LHR–SYD) Air Miles Calculator helps you calculate how many miles it is from one airport to another and provides a map, estimated flight time, time difference between cities, and estimated CO2 emissions. We show ships current positions and marine traffic through the embedded maps of marinetraffic. In the Eastern Pacific, a group of green turtles that have darker shells are called. As for the Evaluation of environmental criteria represents the direction through Adriatic Sea, sea navigation time crucial element for obtaining best results. Seattle-Tacoma International Airport [SEA] – Ultimate Terminal Guide. By emitting clicks, or short pulses of sound, these marine mammals can listen for echoes and detect objects underwater. Distances from SEA. Get estimated flight time by choosing an aircraft type or entering the cruising speed. Flight duration. It is approximately one minute of arc measured along any meridian. io you will find 1 solutions. Regions . Calculate the scale distance to space. Calculate Sea Distances between any two ports and find the shortest route. Abbreviation: mi. 852 kilometers. 700 km / 29 travel days = 24 km per day (14 miles per day). Total distance is 500 km in 24 total days but only 17 travel days = 29 km (17 miles) per travel day. The database currently holds more than 9,500 ports and maritime locations, and more than 83,000 waypoints contribute to the accuracy of the calculation. Our easy-to-use distance calculator gives approximate berth-to-berth distances between member ports themselves and also between member ports and some key regional ports. A straight line is the shortest possible measure of the distance between two locations. Mediterranean Sea » 3. , stating their geographical coordinates by latitude and longitude around the world. Solution: nm = sm x 1. Overcoming the tyranny of distance in a low-cost, sustainable manner will be key to successfully executing EABO. SEA DISTANCES / PORT DISTANCES - online tool for calculation distances between sea ports. Do you need to know the distances between ports for your maritime navigation? Download the Pub. org show that sea-distances. Water was the cheapest and usually the only way to transport goods in bulk over long distances. Maritime transport (or ocean transport) or more generally waterborne transport, is the transport of people ( passengers) or goods ( cargo) via waterways. calculate Calculate sea route and distance for any 2 ports in the world. , Figure 2-2). The top solutions are determined by popularity, ratings and frequency of searches. The distance between Seattle (Seattle–Tacoma International Airport) and Fairbanks (Fairbanks International Airport) is 1533 miles / 2467 kilometers / 1332 nautical miles. Get point to point, port to point, and port to port sea routes and sea distances. By the 10th century, Italian-made portolans supplied detailed directions, distances, depths, and coastal descriptions, and by the 13th century, sea maps with scale and bearings began to appear. Baselines are generally the coastline but straight baselines (closing lines) are drawn across the mouths of firths (estuaries) and some large. 004:. It is developed under consideration for user-friendly UX & UI to enhance efficiency of your daily work. noaa. SEA DISTANCE CALCULATOR. The symbol for nautical mile is M or NM or nmi. World Sea Ports Find Ports by Shipping Line Sea Lines Explorer Unit converter Demurrage & Storage Shipping lines directory . Find a Shipyard or Ship Supplier. Length. Route Planner. The Danube (/ ˈ d æ n. Use the following mileage calculator to determine the travel distance, in terms of miles, and time taken by car to travel between two locations in the United States, disregarding traffic conditions. Seametrix uses the most sophisticated calculating algorithms, running on cutting-edge servers, and provides by far the most accurate sea distance results when it comes to nautical distances between ports!Copyright © 2023 by SEA-DISTANCES. g. A curated list of solutions, from basics such as Distance Tables and Vessel Tracking to Voyage. The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. Check Shipping Vessels Schedules By Routing, By Port, By Vessel, or By. Definition . Distance Tables Ports List. Celestial Navigation at Sea. For instance, a boat or ship travelling at 15 knots could go 15 nautical miles per hour. A nautical mile is based on the circumference of the Earth and is used by sea and air navigators. Netpas Distance is a Port Distance Table providing 12,000 ports and 0. The driving distance from Seattle (SEA) to Cancún (CUN) is 3762 miles / 6054 kilometers, and travel time by car is about 73 hours 0 minutes. The distance d in miles (mi) is equal to the distance d in nautical miles (Nm) times 1. Also you will find some providers that give you distances between ports depending on AIS data like marinetraffic. 609344 kilometers. 449 47° 26' 56. Sailing Distance Calculating Tool with support for multiple locations. Keep 100 yards away from humpback whales in Hawaiian and Alaskan waters. How many meters are there in one nautical mile? 1852. the time in an hour, minute, and second format. See also a map, estimated flight duration, carbon dioxide emissions and the time difference between Seattle and Dubai. distance = speed x time. You can calculate the length of a path, running route, fence, border, or the perimeter of any object that. 1 billion distance data with (S)ECA, Weather Forecast, Piracy Alert and many other powerful functions. Federal law has specific distance requirements for some species. Reinventing and updating an important capability from 20th-century naval history could be an important way to support it. The nautical mile (mni) is nearly equal to one minute of arc of latitude along any meridian, and is approximately equal to one minute of. In theory, this could be stretched further if you reduce your speed or find some good winds along your route. Essential information for use in passage planning for ocean voyages. You can explore port details, statistics, arrivals and departures, weather and forecasts, and more. GEGCalculators. com. Physical constraints (coasts, winds, marine currents, depth, reefs, ice) and political borders also play an essential role in shaping maritime routes. We have partnered with researchers and engineers to implement calculation methods and machine learning algorithms to calculate the real sea distances by combining historical and actual data, weather data and ship performance. Survey of the Mediterranean Sea, the intercontinental sea that separates Europe from Africa. Distance & Time. There are various checkpoints on the way, and as a. 1508 miles or 6,076 feet. The slope of the sea floor (or gradient) may be numerically expressed as a ratio, percentage, orAs a responsible to all aspects of maritime deeds website shiptraffic. / 0°N 160°W / 0; -160. MarineTraffic Online Services. Find locations of ports and ships using the near Real Time ships map. Using the measurement you made in the last step, calculate how many millimeters represents 62 miles on your map. Find the distance from Astoria, OR to Nome, AK. It is commonly used to measure the distance between places in the United States and United Kingdom. Mileage Calculator. World sea ports database, sea transportation, marine and ports market place, sea distances and routes. We aim at helping shippers, BCOs, forwarders and carriers identify the greener routes to reduce their transport carbon footprint, all modes. Select limit or boundary for specific information. Then enter the speed value and conversion designation for it. com. 4. All available through a secure, unified and easy to use RESTful web service. You can also compare ports and view their rankings based on various criteria. Learn More Read API Docs. Free trials are offering you up to 5 distance requests per day, plus access to our bunker prices module. 151) publication contains tabulated distances between departure ports, junction points, and arrival ports worldwide, organized alphabetically. S. have? With crossword-solver. You only need to know two values: your eyesight level (in other words, the distance between your eyes and mean sea level – assuming you are looking out to sea) and the radius of the Earth. All Fatalities in this guide are written assuming you're facing right. Ship Types . Ocean Distance. The distance between Seattle (Seattle–Tacoma International Airport) and Atlanta (Hartsfield–Jackson Atlanta International Airport) is 2182 miles / 3511 kilometers / 1896 nautical miles. 1508 miles (or 1. Compare options on lead time and CO₂e emissions. There are 0. Navigating the Distances: Nautical Miles and Beyond. ORG top-level domain. A straight line is the shortest possible measure of the distance between two locations. Southend-on-Sea Distance Distance from Southend On Sea to London 58 km Distance from Southend On Sea to Bristol 230 km. The simple response will give you distance in nautical miles and whether the ship must pass through either the Panama Canal, Suez canal or both. See also a map, estimated flight duration, carbon dioxide emissions and the time difference between Seattle and Paris. Popular distances from Seattle (SEA) Distance from Seattle to Paris (Seattle–Tacoma International Airport – Paris Charles de Gaulle Airport) is 5016 miles / 8073 kilometers / 4359 nautical miles. The tool estimates the time and distances between land, air, and sea routes based on data from international shipping lines. 852 kilometers for those who prefer metric). Loggerhead populations in the United States declined due to bycatch in fishing. Select Measure distance. nm = 4,153 miles x 1. The calculation of cruising distances were determined from NOAA and Canadian Hydrographic Service digital charts in BSB format using the Fugawi Marine ENC™ navigation application. Line. Green turtles are in fact named for the greenish color of their cartilage and fat, not their shells. This is composed of three sections to do classic Time, Speed and Distance calculations. S. We use historic puzzles to find the best matches for your question. Speed for Measured Mile and Speed, Time, and Distance Distance of an Object by Two Bearings Distance of the Horizon Distance by Vertical Angle Measured Between Sea Horizon and Top of Object Beyond Sea Horizon Traverse Table Geographic Range Distance by Vertical Angle Measured Between Waterline at Object and Top of Object. Admire sea turtles from a respectful distance by land or sea and follow these guidelines: Don’t disturb nesting turtles, nests, or hatchlings. To find speed, time or distance, enter a value in two of the three fields, and the third will be calculated for you. Based on a review of data on species found at depths > 200 m, a PLD of 35 and 69 days ensures a minimum distance for 50% and 75%, respectively, of eurybathic and. org has an invalid. You can use it free of charge! Everything is api-driven, if you like to. Some wind waves are generated locally. 2) Download the "Chart Updater" plug in. It is approximately one minute of arc measured along any meridian. 92 mi (17. Sea Marks; Harbours; Sport; Aerial photo; Coordinate Grid; Marine Profile (1:920. Seametrix API consists of two main services: The Get-Ports Service: Provides the means for searching and finding any sea port or terminal from within Seametrix’s database. Open-water distances typically get elongated due to shifting conditions, so a mile in the ocean will take more time—and feel more. 15077944802354 miles (mi) one knot = 1 nautical mile (nmi) per hour one knot (kn) = 0. A nautical knot is a unit of speed equal to one nautical mile per hour (1 knot = 1. Reserve a ride in advance to Burnham-On-Sea and Highbridge. 05 mi. SEA Seattle Tacoma International Airport 10. VesselFinder displays real time ship positions and marine traffic detected by global AIS network. 68780985710119 feet per.