講了船級社，那么有了imo號碼如何查詢船級社.
以9232448 為例子
第一步去網站上搜
https://www.nialexisplatform.org/certification/dynamic-positioning/check-vessel-classification/
必須輸入船名和imo unmber.
class requirements
based on imo (international maritime organization) publication 645 (imo msc/circ.645, guidelines for vessels with dynamic positioning systems) the classification societies have issued rules for dynamic positioned ships described as class 1, class 2 and class 3.
equipment class 1 has no redundancy: loss of position may occur in the event of a single fault.
equipment class 2 has redundancy so that no single fault in an active system will cause the system to fail. loss of position should not occur from a single fault of an active component or system such as generators, thruster, switchboards, remote controlled valves etc. but may occur after failure of a static component such as cables, pipes, manual valves etc.
equipment class 3 which also has to withstand fire or flood in any one compartment without the system failing. loss of position should not occur from any single failure including a completely burnt fire sub division or flooded watertight compartment.
2.網站去試
試的時候搜classification society
以為例子
https://www.marinetraffic.com/en/ais/details/ships/shipid:211760/mmsi:352001640/imo:9232448/vessel:eternal_8
這個就需要你開會員才能看到，單次查詢的話，沒有必要。
換第二個
https://www.vesseltracker.com/en/ships/eternal-8-9232448.html
這個也是看不到。
換第三個
https://www.balticshipping.com/vessel/imo/9232448
這樣就找到了