This free maritime app serves as an information source for mariners
to gain more knowledge about marine yacht sailboat or IMO rules
procedures and develop their nautical skills.
âï¸ KEY FEATURES âï¸
📙 Interesting educational articles
• Learn COLREGs lights manoeuvres and shapes to become a successful sailor
• Read about buoyage systems terrestrial electronic and celestial navigation
• Educate yourself on personal life saving appliances lifeboats and vessels
• Find out more about signal appliances and communication systems
• Learn about Standard Marine Communication Phrases Global Maritime Distress and Safety System and radiotelephony
• Get familiar with meteorology and other sailing skills important for mariners
🧮 Calculators
• Use the Nautical Calculator to determine rhumb line and great circle navigation results
• The Nautical Almanac with astronomical information supports bridge crews in routine and emergency celestial navigation of vessels
• The maritime ETA Calculator is a free navigation tool to assist sailors with their estimated time of arrival calculations
• Our Unit Converter will help you convert measurement units anytime anywhere
• Use the AIS Code tool to easily determine country and location code or port name
📰 News
• Get the latest world maritime news every sailor needs to know
• Read new nautical information on various aspects of the marine world – from vessels to almanacs
🎮 Quiz
• Test your sea knowledge with our 20+ question quizzes and become an expert sailor
• COLREGs (The International Regulations for Preventing Collisions at Sea 1972) quizzes for cadets to test their knowledge on how to avoid collision on the sea
• Meteorology quizzes for mariners with questions on winds air pressure nautical almanac and many more
🔖 Practical learning tools
• Bookmark the most important articles such as
• Add notes or tasks to remind yourself
⚓ Sea Sector is a must-have sailor book with marine traffic rules every seafarer needs to know! It is not just a guide but also a marine navigation app since it allows mariners to calculate rhumb line and great circle navigation results for their vessels. 🛥
🗣 If you need help or have suggestions please contact us at: [email protected]
âï¸ KEY FEATURES âï¸
📙 Interesting educational articles
• Learn COLREGs lights manoeuvres and shapes to become a successful sailor
• Read about buoyage systems terrestrial electronic and celestial navigation
• Educate yourself on personal life saving appliances lifeboats and vessels
• Find out more about signal appliances and communication systems
• Learn about Standard Marine Communication Phrases Global Maritime Distress and Safety System and radiotelephony
• Get familiar with meteorology and other sailing skills important for mariners
🧮 Calculators
• Use the Nautical Calculator to determine rhumb line and great circle navigation results
• The Nautical Almanac with astronomical information supports bridge crews in routine and emergency celestial navigation of vessels
• The maritime ETA Calculator is a free navigation tool to assist sailors with their estimated time of arrival calculations
• Our Unit Converter will help you convert measurement units anytime anywhere
• Use the AIS Code tool to easily determine country and location code or port name
📰 News
• Get the latest world maritime news every sailor needs to know
• Read new nautical information on various aspects of the marine world – from vessels to almanacs
🎮 Quiz
• Test your sea knowledge with our 20+ question quizzes and become an expert sailor
• COLREGs (The International Regulations for Preventing Collisions at Sea 1972) quizzes for cadets to test their knowledge on how to avoid collision on the sea
• Meteorology quizzes for mariners with questions on winds air pressure nautical almanac and many more
🔖 Practical learning tools
• Bookmark the most important articles such as
• Add notes or tasks to remind yourself
⚓ Sea Sector is a must-have sailor book with marine traffic rules every seafarer needs to know! It is not just a guide but also a marine navigation app since it allows mariners to calculate rhumb line and great circle navigation results for their vessels. 🛥
🗣 If you need help or have suggestions please contact us at: [email protected]
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Sea Sector – Maritime Guide for Sailors
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