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Celestial Navigation in a Teacup

   The original intention of the author of this volume was to prepare a book that would be used as the useful self-teaching instrument for the people having a desire to learn more about the celestial navigation from both academic and practical points of view. The content of this volume will for sure interest the experienced marine navigators who have got tires of "turning the crank" with the navigation tables and who are willing to have some better technical knowledge of the subject. The author has intentionally not covered the old-fashioned methods implying utilization of the sight reduction tables together with the pre-computed solutions, taking into account the wide usage of the electronic calculators and computers. The reference has been made by the author to the H.O. 229 and H.O. 249 methods and the author presented the fundamental background as well as the equations enabling readers to perform their own calculations and come to the correct answers having a proper understanding of the process and using only the calculator, note that the scientific one will be required having the trigonometric and inverse functions. The book starts with the historical overview and some basic information, followed with the description of the concepts of celestial navigation, using the sextant, corrections commonly made to the measurements, sight reduction, lunars, star identification, and other topics considered important.

Category: NAVIGATION & SEAMANSHIP | Views: 72 | | Comments (0)

Pencil, Paper and Stars
   Though the electronic systems of marine navigation are commonly considered extremely reliable, it shall always be taken into account that, should they fail while the vessel is at sea, their repair on board will most probably be not possible at all. In addition, they require constant supply of electricity. What if it fails as well, leaving the vessel with no means of finding the position and chart plotting? Having no means of route planning, how will modern navigators continue their voyage in a safe manner? The present publication has been written in a very reader-friendly manner, providing interested readers, and in the first turn navigators, with a clear and practical yet quite simple to understand description of the navigation techniques which can be utilized in case the electronic navigation systems installed on their yachts fail. The book will demonstrate how to understand the core principles standing behind the techniques they are using, see those techniques explained with no complicated math required, employ these techniques and put them into practice, i.e. use every opportunity to make the passage safe and seamanlike. The content is pretty well-illustrated presenting a variety of classic marine navigational methods the sailors can use and showing how some simple devices can be made by the voyagers.

Category: NAVIGATION & SEAMANSHIP | Views: 2609 | | Comments (0)

The Ice Navigation Manual

   A constantly increasing number of the merchant vessels find themselves chartered to operation in Arctic waters, creating a real and significant demand for the newly constructed ice-classed vessels. Subject requirement is commonly applicable to the vessels that operate in the low temperatures r in the iced waters, with their crew duly trained to man such sort of vessels, and it has already brought about by numerous factors including likelihood of the shipping trade routes that are opening up in the Arctic region, coming on-stream of the terminals in northern regions, and a significant increase in cruise traffic in Arctic region. All above mentioned factors are directly contributing to the requirements for the ship crews to have access to all required and available technical knowledge from the ice pilots and navigators. Operating a vessel in iced sea required higher standards of training combined with the practical experience. This combination will allow the required development of the skills and professional knowledge and proper understanding in order to competently and efficiently manage the safe passage of the vessel. Safe navigation of the vessel in ice comes as a result of the experience in the winter navigation combined with the ability of the crew to perform the proper interpretation of the available reports and select the best route on the basis of the behavior and characteristics of the ice...

Category: NAVIGATION & SEAMANSHIP | Views: 1579 | | Comments (0)

Marine Radio Operators Handbook

   The content of the present handbook has been originally produces to provide the ship radio operators with all required technical information and data they shall use when performing their everyday duties. Prepared and released by the specialists of the AMS, standing for the Australian Maritime College, this useful source has been treated as a recommended textbook to be used by the candidates who are planning to undertake the exams for the MROCP and MROVCP. All applicable requirements and established procedures contained in the present volume are mainly based on the IRR, i.e. International Radio Regulations, that are formulated by the ITU on provisions that govern the utilization of the radio transmitters in Australia plus on the radio-station license conditions outlined in the ACMA. It is essential and critically important to carefully observe all of the procedures addressed in this volume to reach to the efficient communication exchange in the field of maritime communication, and in particular, the cases where the safety of human life at sea in involved. The operators shall also pay special attention to the section of the publication that deal with the distress/urgency/safety. This release of the handbook is reflecting the newly implemented arrangements of the MCS, i.e. maritime communication stations, including changes made to the frequencies for safety and distress...

Category: NAVIGATION & SEAMANSHIP | Views: 2548 | | Comments (0)

Passage Planning Practice

   The passage plan shall be prepared for all vessels and it shall cover the complete voyage starting from the berth of departure and up to the berth of the arrival. Subject plan shall be prepared in strict compliance with the recognized international/national standards and to the standing orders of the shipping company. The content of the plans shall also be following the navigational practices and standards established within the SMS, i.e. safety management system of the company. The vessels of particular company will most probably use the same format when preparing their passage plans, though the variations commonly cause by the types of cargo and of the vessel, as their as of the commercial agreements are also possible. The passage plan that has been used within this publication is not compliant with the instructions of any specific shipping company and has been presented to serve as an example of preparation. The passage plans usually differ with their layouts. Generally, the documents specific to the particular shipping company are used when preparing the voyage plans. The authors of this work have used the general layout for the plan, balancing on the information on the charts with the other documents relating to the passage plan. Do not forget to use all documents related to the passage plans together with the navigational charts...

Category: NAVIGATION & SEAMANSHIP | Views: 2949 | | Comments (1)

Learn to Sail - The Simplest Way to Start Sailing

   The dinghy sailing is considered one of the best known and most popular ways to learn sailing. It will teach the beginners all required skill that they will later apply not only to the yacht sailing, but also to the wind- and kyte-surfing. There are so many designs available today, the dinghy remains suiting the practical needs of every person, from very stable boats for the newcomers to really high-performance machines for the professional racers. We all know that sailing is a really fantastic sport. The author of the book has been a keen sailor since he was fourteen sailing offshore yachts, dinghies and windsurfers; he is a qualified senior dinghy instructor of the RYA teaching people of all ages how to sail. The approach applied by the author is to help trainees enjoy sailing. The publication offered to your attention is an excellent partner for both the beginners to the dinghy sailing and also to the more experiences sailors willing to refresh their knowledge prior to sailing. The text of the book is rich with the colorful photographs taken from the remote cameras. The book starts with the general information about the boats, followed by the description of the most commonly used knots. The next two chapters address the safety f the sailing and environment, and basic rules of the road. The rest of the chapters cover the rigging and reefing, sailing points, launching and recovery of beach and pontoon, and a real wealth of other important and useful knowledge.

Category: NAVIGATION & SEAMANSHIP | Views: 1208 | | Comments (0)

Tanker Operation in Ice and Sub-Zero Temperatures - Guide for Operators

   All information and advice provided in the pages of the present Guidance has been purely intended to serve as a sort of practical guidance. Nowadays, huge oil and gas reserves are there under development offshore Russian Arctic, and vast quantities of the developed oil and gas are then transported by means of the vessels from Baltic Sea and Russian Arctic areas. Of course, the transportation of the oil and gas by sea going on year-round places very serious challenges on the vessels and crews. Some additional demands are imposed on the crew members and ship systems by the operating in cold conditions, and such demands would typically include the communications and navigation matters, lifesaving, shipboard main propulsion and auxiliary machinery, etc. The present Guidance has been specifically developed for the operators of the vessels operating in cold climates and particularly those commonly exposed to the sub-zero temperatures on a regular basis. The main aim of the compilers of this work was to provide the shipping industry with the useful information to make all people involved better understand the hazards associated with operating in such conditions and also to facilitate the implementation of required practice and establish the procedures to meet the recognized standards of safety as well as prevention of pollution of the surrounding environment.

Category: NAVIGATION & SEAMANSHIP | Views: 856 | | Comments (0)

Lookout Training Handbook - NAVEDTRA 12968-D

   Lookouts are persons detailed to perform the observation of everything falling inside the assigned sector and to reporting of everything they see or hear from the subject sector to the OOD, standing for the officer-on-the-deck and the watch officer of the CIC, i.e. combat information center. Their work and proper reporting is considered critically important for both safety and efficiency of the vessel which is commonly based on the alertness and effectiveness of the people assigned. Lookouts usually perform their work, i.e. observation and reporting, being directly supervised by the OOD; it should be noted, however, that the OOD would usually delegate subject authority to the BMOW, i.e. boatsmain's-mates-on-the-watch who assign the lookouts to the particular sections and ensures that all of them have been properly instructed, duly clothed, well-equipped and relieved. The training of the lookouts is conducted by the CIC officers. Usually, the lookouts are first people to catch the danger therefore it is very important to properly choose the stations for the lookouts to be located and perform their observations. The lookout perform their assigned duties in accordance with the lookout doctrine of their vessel. The number of such stations will depend on the vessel type and whether it is peace- or war-time...

Category: NAVIGATION & SEAMANSHIP | Views: 1396 | | Comments (0)

The Dynamics of Marine Craft Maneuvering and Seakeeping

   This work was prepared by Edward Lewandowski, and it provides the players fo the marine industry with probably the best theoretical treatment of the marine craft dynamics. The materials directly concerned with this matter have all been rendered approachable. The author has presented a good professional treatments of the forces/moments acting on the marine crafts, aiming to give readers the necessary instruments to conduct proper prediction of the marine craft motions both in calm water condition and in waves. In addition to the development of the relevant equations, he has also provided the existing relations permitting a minimum approximate evaluations of the associated coefficients to obtain the useful results. Such approach is starting with the motion equations being applied to the rigid bodies, relative to both fixed- and moving coordinate systems, followed by the examination of the hydrodynamic forces, hydrostatics and then progressing to the forces acting on the moving craft in various sea conditions. The author has also included several practical examples including hydrostatic calculations, directional stability, and also the wave-induced motions plus useful discussions on fin-hull interactions and heavy torpedoes, dynamics of the HSC and numerical stability etc.

Category: NAVIGATION & SEAMANSHIP | Views: 1821 | | Comments (0)

USCG - Celestial Navigation

   The original intention of the compilers of the present pamphlet was to provide readers with the enough practical knowledge they would require to observe and plot the celestial position lines in a correct ways, and also to be able to obtain any technical information commonly needed for completion of the celestial navigation day. In fact, the degree of proficiency that can be reached in the field of celestial navigation, depends on the practical experience of the mariners. However, the present volume provides readers with lots of useful information that can be related as a foundation on which the whole other knowledge shall be built, and using this information, the mariners will be able to make the celestial navigation a much more satisfying experience. Please note that the information n an data provided in this title shall be used for training purposes only. For many centuries, the mariners used the small and big dippers as a sort of guides as they always stayed in a same position. The star that did never seem to move at the sky was noticed to have a constant attitude and the mariners of the past used this to move north and south. We would not consider celestial navigation a dead art at all, even in the age of modern equipment and electronics. It is actually used to update the systems of electronic navigation and also used when there are ni any other means readily available...

Category: NAVIGATION & SEAMANSHIP | Views: 3510 | | Comments (0)

Navigation - Principles of Positioning and Guidance

   Nowadays, many contemporary satellite systems are existing there for the global navigation, for example the GPS, and all of them directly influence a whole world of marine navigation in a really tremendous manner. The number of people who are concerned with the navigational systems today is huge and the interest in such systems is constantly increasing. This book was written by three world recognized experts in the field of navigation systems, intending to provide the interested people with a truly encyclopedic view of marine (and, in fact, not only marine) navigation. The authors have presented the fundamental elements of navigation to make readers get better technical understanding of the various techniques and methods, and of the systems that are commonly used in positioning. They have partitioned the content of the volume in three major parts. the first part provides some maps and historical review and also physical/mathematical basics of the navigation, while the second addresses the established positioning methods, such as the celestial and terrestrial, inertial and integrated navigation plus the navigation based on satellite/image. The third part covers the ship routing and guidance. The book will definitely be practically useful to many categories of readers having the interest in navigation, including students.

Category: NAVIGATION & SEAMANSHIP | Views: 3295 | | Comments (0)

Mariners Guide For Hurricane Awareness In The North Atlantic Basin

   The content of the present navigational guide is mainly intended to air all mariners in getting a good working understanding of the very complex structure as well as behavior of the tropical cyclones commonly occurring in the NAO, i.e. North Atlantic Ocean. The mariners duly armed with the required knowledge and all information that has been provided by Eric Holweg in this brilliant work, will be considered prepared to "weather the storm" and avoid the potential catastrophic events, because they will know where exactly to acquire the forecasts and get the necessary guidance for the current tropical cyclones. The present work will be discussing some ship routing and options of avoiding the hurricanes with the ultimate aim to highlight the critical thought processes, risk assessment and also all practical actions required to be considered to remain safe when the threat of the cyclone exists at open sea or in the harbor. Needless to say that though the title of the publication mentions professional mariners, the information contained will be equally useful to the people planning to become mariners and even students, taking into account that the way in which the information has been presented makes it quite easy to catch even for the people without professional marine background.

Category: NAVIGATION & SEAMANSHIP | Views: 1102 | | Comments (0)

International Straits - Concept, Classification and Rules of Passage

   The volume has been intended to provide a thorough professional analysis of the navigation regime in its historical relation to the UNCLOS, standing for the UN Convention of the Law at Sea, as well as a detailed analysis of the concepts of international straits. Ana Martin, the author of this title, is examining eight major categories of the straits as they are laid out in the above stated Convention. The content of the volume also provides the discussion or the transit passage regime and innocent passage, navigation systems in the international straits, presenting the domestic legislation plus TSS, i.e. traffic separation schemes applying to international straits. In addition, the content f the work includes a full catalogue of international straits in accordance with the respective articles of the UNCLOS Convention. It is a brilliant product of renewed professional efforts to understanding the current status of active rules and current practices that are surrounding international straits. The book is universally useful and practical to many categories of readers. The way of explanation makes the content accessible even to non-professionals and for the specialists of the maritime industry this is a real treasure as they will definitely have the information very useful for their day-to-day work.

Category: NAVIGATION & SEAMANSHIP | Views: 1338 | | Comments (0)

Astronomical algorithms

   This volume is an excellent source of practical guidelines intended to be of use for the engineers, programmers and scientists who require to be dealing with the astronomical predictions or associated calculations. The readers are actually expected to have some mathematical knowledge, more than a basical, therefore this is not the best choice for the beginners. This cookbook of algorithms provides a huge number of numerical problems commonly coming up in astronomy. The content makes it easy for the readers to use the presented algorithms for coding. Note that you will have to study more than just one chapter of this volume to get full understanding of the astronomical problems because none of them is easy. The author has focused on the classical math astronomy, though he has also dealt with some of the astronomy-oriented math techniques, for example fitting curves and interpolation, data sorting etc. Astrophysics has not been addressed. Obviously, not all topics of math astronomy can be covered in a single volume so the decision was made by the author to select most important and useful ones for the inclusion in his work. The material is explained in a very clear and precise way helping reader to understand the algorithms.

Category: NAVIGATION & SEAMANSHIP | Views: 5514 | | Comments (0)

The Evasion of Tropical Cyclones

   This title is mainly intended to serve as a practical guidance to measures to be taken in order to evade the Tropical Revolving Storms and how to "ride out" with the minimum possible damage in case you have found yourself in the centre or near such storm. This book by P. Vergroesen is intended to provide mariners with all required information. All navigators shall know which exactly information they require; however, it appears to be quite time consuming and also difficult to compile all relevant technical information and draw correct conclusions.  Trying to make this a bit easier, the author of the present booklet has brought all of the information and regular cyclone tracks in one monthly chart for all areas. The mariners can determine both storm track and speed using the results obtained during the consecutive observations. The first part of the book provides general information and addresses preparations to be made in advance, while the second is dedicated to the cyclonic areas, making closer examination of the strategic courses, weather reports and safety matters in different marine harbors. The remaining parts of the booklet deal with detecting/plotting of the tropical cyclones, illustrated divergents, cyclone navigation, defining the distance to and direction of the center, plus provides advice on what shall be done at ports when cyclone is passing.

Category: NAVIGATION & SEAMANSHIP | Views: 1744 | | Comments (0)

Squat Interaction Manoeuvring

   As ti is clear from the title, this book is fully dedicated to the squat interaction; the interaction at sea has some resonances with same effects on land. For example, you must have noticed the sway that is usually felt when a car either passes or is passed by a large truck on a road, or the suction that is always created by high speed trains when they are passing through the stations as well as the ground effects usually experiences by the airplanes taking off/landing. In the marine sphere, the interaction is commonly caused at the time of the interaction between the pressure fields around the vessels. All ships on the water are in a state of balance and they are held at rest by the hydrostatic pressures; once the vessels starts moving, the dynamic pressures are added. When the ship is moving through the calm water, the transverse and diverging wave systems are generated caused by the dynamic pressures. When the pressure systems acting over the underwater hull of the vessel are affected in any was, the state of balance will change. The ship may go slower or faster, move off her course, rise on to the surface of the water, i.e. squat, or sink deeper into it. When a vessel moves from deep to shallow water, the closeliness of the seafloor will have direct effect on the ship hull pressures as the water gets more and more shallow...

Category: NAVIGATION & SEAMANSHIP | Views: 2408 | | Comments (0)

Marine Navigation and Safety of Sea Transportation - Miscellaneous Problems in Maritime Navigation, Transport and Shipping

   The content is arranged in seven big sections; first one deals mainly with weather routing and major meteorological aspects, including the tropical cyclones, Baltic navigation in iced sea conditions, Polish sea ports and storm-surges indicator for the Baltic coast of Poland, analysis performed of the hydro-meteorological characteristics of the Montenegrin coast and in Port of Kulevi zone. The second one focuses on the ice navigation, covering the navigational safety in the unsurveyed regions of Arctic, ice management and different methods used for the iceberg towing. The third section covers the ship construction aspects, namely investigations of the improvements to the marine safety by means of the HMS, i.e. health monitoring systems, replacement of the x-ray test of the welding with the ultrasonic testing, diagnostic evaluation of the ship, determination of the dynamic heel angle of the vessel on the basis of the model tests, propulsive/stopping performance analysis applied to the cellular container carriers etc. The next part addresses the vessel propulsion and fuel efficiency matters, including hybrid propulsion systems and their optimization, PMS, i.e. power management systems plus their modeling with Petri Nets, plus data transmission modules, and so many other important aspects...

Category: NAVIGATION & SEAMANSHIP | Views: 2180 | | Comments (0)

Admiralty Manual of Navigation - BR45(1)(1) - The Principles of Navigation

   The book is mainly dealing with the fundamental marine navigation principles, namely position/direction of planet's surface, publications and charts, aids to navigation, map Projections, anchoring bridge organization; it also addresses such important aspects of navigation as tides, ocean/coastal navigation, common navigational errors, hydrographic surveys, chartwork and relative velocity, tidal streams and others. The appendices contain the summaries of both spherical and plane trigonometry accompanied with the useful proofs of formulas etc. Despite the rapidly developing navigation technologies, the basic marine navigation principles still remain unchanged by the newly introduced equipment plus techniques, so the authors have designed the main content of their work so that it re-states all major underlying technical principles, meanwhile reflecting the latest methods. Marine navigation itself is the process of planning and subsequent executing the movement of marine vessels from one point to another. This set is made of two volumes, with the first one starting with position/direction of the surface, basic/more complex calculations used in sailing; it also provides readers with some intro to geodesy, gives information on grids and projections, provides some overview of publications/charts and chartwork etc.

Category: NAVIGATION & SEAMANSHIP | Views: 5534 | | Comments (0)

Marine Navigation and Safety of Sea Transportation - Methods and Algorithms in Navigation

   The book was written by Adam Weintrit in collaboration with Tomasz Neumann, who arranged the content of in the five major parts, addressing main areas of the marine navigation, and particularly common methods and algorithms, avoidance of the collisions, different geodetic problems existing in navigational applications, aviation/air navigation plus route planning utilized in the marine navigation. The compilers aimed to clearly demonstrate to the reader marine navigation origins and also to explain how exactly various techniques, navigational methods plus the associated systems were technically developed. The book starts with the part which deals with the methods and algorithms and covers the Fuzzy-neuron model, application of the CFD methods to the maneuverability assessment for the different marine vessels sailing in the shallow waters; it also covers the asymptotic stability of the 2D linear systems, and Kalman-Bucy observer design, various established numerical/experimental methods when to calculating the hydrodynamic profiles and evaluating the insurance expediency, etc. The second part of the volume focuses on the collision avoidance, covering the anti-collision principles with the relevant methods, scenarios, models, including various methods of assessment of the causation factor, safe ship control sensibility, experimental researches, collision zone definition, route similarity analysis...

Category: NAVIGATION & SEAMANSHIP | Views: 2026 | | Comments (0)

A Guide to Ship Navigation Techniques

   An excellent and useful title with the content worked out by the recognized marine expert to provide readers with the necessary practical guidance to the established modern navigation techniques. The sections of the publication are dealing with navigation with wind and with current, utilization of the ship thrusters, stopping distance and tug assistance, plus berthing with anchors and without tugs. The navigation and deck officers have to be very careful when steering a ship from her course regardless of where the vessel is - at sea, crossing a channel, entering a port of leaving it. The bridge team shall be efficient and capable to sail the vessel in all weather and water conditions. The wind is one of the most important natural factors and it shall be taken into account by every ship navigator. Such ships as containerships usually have large freeboard resulting in a larger windage area, which makes them more affected by wind. The navigator shall always remember to steer the vessel considering the major wind effects in order to perform the steering in a safe and easy manner. This book starts with detailed descriptions of the techniques that every navigator shall be familiar with to be able to control the vessel under different wind effects...

Category: NAVIGATION & SEAMANSHIP | Views: 4397 | | Comments (0)

US Navy Course - Machinist's Mate 3 & 2 NAVEDTRA 14151

   Originally, the present training course was published nearly twenty years ago with the main declared intention of its authors to develop a good training resource to be practically helpful for the sailors and would significantly improve their professional and military technical knowledge; subject course was supposed to be used when preparing to sit for the Navywide examinations. The content includes various information covering the everyday occupational knowledge and the skill requirements, the text and informative data tables supplemented with the numerous illustrations included to assist trainees with getting better understand all provided information. There is another important and practical feature of this title, i.e. the references to the useful relevant info and data that may be found in other books. The materials in the volume have been arranged in the eighteen chapters that provide the general information, describing the steam turbines, reduction gear together with the associated equipment, pumping arrangements, lubrication and air ejectors, heat exchangers, various engineering operations and their administration, refrigeration, piping and systems, air conditioning, compressed air systems, steam operated plants, auxiliary equipment, auto-boiler controls, propulsion boilers, their fittings and tools, etc. The glossary of terminology has also been provided.

Category: NAVIGATION & SEAMANSHIP | Views: 1837 | | Comments (0)

Navigation with a Pilot

   The pilots are considered the critically important resources possessed by the marine navigators in the harbor approaches - they are professional ship handlers with a truly encyclopedic theoretical and practical knowledge of the local ports and harbor areas. Their presence is in many cases officially required by the local law or regulations. However, they are not formally treated as members of the bridge team; however, again, it shall be understood that they are extremely important specialists. In most cases they remain the advisors to the ship master, who, in turn, are retaining the full responsibility for the safety of the vessel. Note that they have been given full navigational responsibility in Panama Canal and Suez Canal. Pilots are professional navigators and deserve respect and require management. Maintaining the due balance of the above mentioned elements is Captain's responsibility, managing the MPX, standing for the master-pilot exchange. The main objective of the subject exchange is to inform the pilot about the main dimensions of the vessel, condition of the shipboard machinery and navigational equipment, and provide the pilot with all other relevant information that may be important for the safe planning. This publication will provide the readers with some basic aspects of navigating the vessel with a pilot...

Category: NAVIGATION & SEAMANSHIP | Views: 2778 | | Comments (0)

Lectures on Ship Manoeuvrability

   The book opens with a section dedicated to the general differential equations relevant to the dynamics of ships, and the aim of this section is the derivation of the equations covering the general body motion in both inertial and body-fixed reference systems with/without principle axis; here, the author has paid particular attention to the acting forces and moments that commonly arise from the acceleration through the water. The second section addresses the equations related to the maneuvering of the vessels with three freedom degrees, including systems of coordinates, aims and assumptions of the ship maneuvering theory, all equations and exercises for easier understanding of the theory. The next section is dealing with the determination of the added masses, while the fourth section describes the steady maneuvering forces, including their representation and experimental determination, again with some exercises. The sixth section covers the forces acting on the ship rudders including their general representation and determination of the associated coefficients plus the interaction between the propeller and rudder of the vessel. The remaining sections of the volume are dealing with the yaw stability, transversal forces acting on propeller plus the associated yaw moment, maneuverability diagram, application of CFD methods for the maneuverability problems, and other valuable and important information.

Category: NAVIGATION & SEAMANSHIP | Views: 2857 | | Comments (0)

World Cruising Routes

   Since the time of the initial publication of this title nearly thirty years ago, the marine navigation has undergone numerous significant changes, and this edition of the book has been revised in a thorough way in order to meet all expectations of the readers as well as the requirements of the maritime industry. Some of the changes were dictated by the climate change effects on the weather, on the basis of the data collected in the course of the meteorological observations from satellite stations. The sailors working all around the world have found this volume very useful and practical; it may be treated as a go-to book for all offshore sailing expeditions as the content of the volume includes the information covering the shipping routes, safety at sea, weather and seasons, currents - in fact, everything they need to know to make their voyages safe. The publication has been deservedly considered a must-have one on board every vessel planning any long-distance sailing. It stands alone as the real icon of ship routing information for the cruisers. The author offers different choices of the routes including valuable waypoints specifying the latitude/longitude. It is a good roadmap to the oceans and seas of the world, providing extensive data on the various shipping routes supplemented with the advisable landfalls plus marinas, i.e. it is an excellent practical reference for sailors.

Category: NAVIGATION & SEAMANSHIP | Views: 8910 | | Comments (0)

Navigating in Ice

   Icebergs and floes are obstructing the shipping lanes; they are delaying the ship transit and creating serious hazards for the vessels and people on board. The above mentioned environmental conditions have already caused several famous maritime disasters, such as the sinking of the Titanic. Sea ice is always dangerous and treacherous. Even though nowadays rescue operations and less risky that they used to be in the past, the wise mariners always treat ice with respect and observe the basic principles of operation in a safe manner in the areas where sea ice is expected in Winter months. This publication aims to raise the overall awareness and also improve the safety procedures associated with the ice navigation. The authors of the book have managed to cover a broad range of issues relating to the ice navigation, including different ice and iceberg types, capabilities of your vessel, preparation to the voyage, working with the icebreakers and ensuring safe passage through the ice. This training package is expected to be of some help to the crew members making them aware of the potential dangers that may be met; it will also inform them about the relevant safety measures to be implemented and followed. The content of this volume will be helpful to all crew members of all vessels sailing into the ice-prone zones. Highly recommended to the Masters as well as to the deck and engineering officers of such ships.

Category: NAVIGATION & SEAMANSHIP | Views: 2834 | | Comments (0)

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