SkyMate Pro:  The Navigator's Almanac is a computerized Nautical Almanac. Using an internal almanac for the years 1900-2100, SkyMate Pro will provide Mariners the accurate information needed for celestial navigation at sea.

Oasis measures 225,282 gross tons, almost half again as large as the runners-up, the vessels of the Freedom class, and several times larger than Titanic, of 46,329 gross register tons (a different measure of tonnage). To displace the volume of water necessary for the ship to float, and to keep the ship stable without increasing the draft excessively, the designers created a wide hull. About 30 feet (9 m) of the ship sits beneath the water, a small percentage of the ship's overall height. Wide, shallow ships such as this tend to be "snappy", meaning that they can snap back upright after a wave has passed, which can potentially be uncomfortable. This effect however is mitigated by the vessel's large size. The cruise line's officers were pleased with the ship's stability and performance during the transatlantic crossing, when the vessel, in order to allow finishing work to go on, slowed and changed course in the face of winds "almost up to hurricane force" and seas in excess of 40 feet (12m).

The ship's power comes from six marine diesel engines, three Wärtsilä 16-cylinder common rail diesels producing 18,860 kilowatts (25,290 hp) each, and three similar 12-cylinder engines each producing 13,860 kilowatts (18,590 hp). The total output of these prime movers, some 97,020 kilowatts (130,110 hp), is converted to electricity, used in hotel power for operation of the lights, elevators, electronics, galleys, water treatment plant, and all of the other systems used on the operation of the vessel, as well as propulsion. Propulsion is not provided by screws on the end of long shafts piercing the hull, as on most prior ships, but by three, 20,000 kilowatts (26,800 hp) "Azipods", ABB's brand of azimuth thrusters. These pods, suspended under the stern, each contain an electric motor driving a 20-foot (6 m) propeller. As they are rotatable, no rudders are needed to steer the ship. Docking is assisted by four 5,500 kilowatts (7,380 hp) bow thrusters in tunnels.

MS Oasis of the Seas is a cruise ship in the fleet of Royal Caribbean International. The first of her class, she is expected to be joined by her sister ship Allure of the Seas in November 2010. Both vessels are expected to cruise the Caribbean from Fort Lauderdale, Florida.

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Oil Tanker Ships

A cadet on a maritime school aspires to become a good seafarer someday. With his learned knowledge he strives to embark onboard a ship in a good company. Working onboard the ship for more than 6 months even up to 1 year gives him a chance to upgrade his profession and for possible promotion as an officer. After a few years of working onboard the ship he suddenly decides to stop and start to work on land. Nobody knows the reason why.

Why choose to work at sea?

Many seafarers are like the example above. A lot of reason may contribute to a person’s decision of becoming a seafarer. I can still remember the question that my Captain asks me during my cadet days. “Why you choose to become a seafarer”? I give him a quick answer, “I want to become rich”. He said to me that if every seafarer would give the same reason that I did, it would be a selfish answer.

    “The reason that we choose to become a seafarer is to give our family a better life and to encourage other mariners to become good at their job as a seafarer”.

Those are the humble words of the captain that I was lucky enough to serve with. The life onboard the ship cannot be compared on the life on land. We do our job in a more difficult environment. We seldom see the land. We expose ourselves to different kinds of weather. We see the same person every day. We work with different types of people in different countries. We work under pressure. So why choose to work at sea? It’s simply because we like the challenge and the adventure behind our work.

Why quit your job at sea?

Various reasons contribute to the seafarer’s decision of leaving the ship. A lot of person consider it personal or work related reasons. Here are 10 common reasons why they decide to leave the ship.

   1. They were given a chance to work in a shipping company
   2. They had a very bad experience onboard their previous ship
   3. They had a problem with their wife that leads to divorce and could not handle the problem, which leads to the decision of stopping his profession as a seafarer
   4. They manage to find an alternative job in land with almost the same salary of his job on the ship
   5. They were given an opportunity to work on land related to shipping and maritime industry
   6. Their wife and family doesn’t want them to work onboard anymore
   7. They were homesick
   8. A member of their family died while they are still onboard the ship and this became a very bad experience that they can never erase from their minds.
   9. They started a business and became successful
  10. They won in a lottery

The encyclopedia defines "sailors" as persons who navigate ships or assist in the conduct, maintenance, or service of ships. As such sailing a vessel through treacherous waters, particularly for long distances, is an isolated and often dangerous undertaking.