Talk:Ice class

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arctic classes[edit]

The ABS database contains hundreds of ships classed with an Arctic Ice class. This information should be public domain. It is, however, not. The information is only available to ship owners, shipyards, and ABS engineers. This information is considered proprietary and confidential, and I cannot give it away.

I am limited to google, IMO documents, and other public information in trying to come up with information. There isn't much out there because unless you need to know about it, its very boring information to have.--Dj245 20:31, 12 September 2007 (UTC)

I listed ship articles in Category:Ships with ice classification. Most ships with an article on Wikipedia seem to be in Category:Ships in Ice Class 1A. The only ship with a ABS classification seems to be MV John Hamilton Gray -- Petri Krohn 02:42, 17 September 2007 (UTC)
This category is far from complete. There are thousands, if not tens of thousands, of ships with ice class. The ice class notation is often not heavilly publicised. Finding these ships without the benefeit of a classification society database is like trying to hunt rabbits by firing a cannon straight up.
Most platform supply vessels have both a firefighting notation and an ice class notation. We do large numbers of these vessels at ABS.
Please note that the Rules HAVE been unified in 2006. All major class societies are now playing by the same rules. Most class societies have what I would call "internal rules" but these rules are just the international rules with the individual class societies own spin on them. The IMO and IACS oversee these rules now and make amendments when required. Older documents may still refer to the way things used to be. The baltic ice classes do not belong to Finland any more than the arctic ones are overseen by ABS. This is like saying the police write the lawbook- it just isn't the case. --Dj245 03:23, 18 September 2007 (UTC)

Finnish-Swedish ice class[edit]

I changed "Baltic ice classes" to "Finnish-Swedish ice class" as the latter is more commonly used. I also rewrote the section since it contained factual errors and gave some sources (although I'm not sure which is the correct way to refer to the Finnish law in FINLEX - please fix if you know better). Tupsumato (talk) 13:01, 8 April 2010 (UTC)

Hi
Ice Str (Suitable) ships and Ice Classed ships.
1 - A slight correction is required to the opening lines of the article, as people mix up the terms "ice class" and "ice Strengthned". A ship that is "ice Strengthned" (suitable for passage through ice) may not be "ice classed" (Insured for ice transit).
2 - Here is a copy of a spreadsheet I put together some years ago at the time of the 2006 ice class unification to compare the different ice class notations.
If one of you bright sparks who know how to do nice formatting could put it into the Ice Class article I'd appreciate it.
Approximate correspondence between Ice Classes of the Finnish-Swedish Ice Class Rules
					
(Baltic Ice Classes) and the Ice Classes of other Classification Societies					
					
Classification Society	 		                               Ice Class		

Finnish-Swedish Ice Class Rules	                        IA      IA	IB	IC      Category
                                                        Super                        	II

Russian Maritime Register of Shipping (Rules 1995)	UL	L1	L2	L3	L4

Russian Maritime Register of Shipping (Rules 1999)	LU5	LU4	LU3	LU2	LU1

American Bureau of Shipping	                        IAA	IA	IB	IC	D0

Bureau Veritas	                                        IA 	IA	IB	IC	ID
                                                        Super

CASPPR 1972	                                        A	B	C	D	E

China Classification Society	                        B1*	B1	B2	B3	B

det Norske Veritas	                                ICE-1A*	ICE-1A	ICE-1B	ICE-1C	ICE-C

Germanischer Lloyd	                                E4	E3	E2	E1	E

Lloyd's Register of Shipping	                        1AS	1A	1B	1C	1D

Nippon Kaiji Kyokai	                               IA Super	IA	IB	IC	ID

Registro Italiano Navale 	                        IAS	IA	IB	IC	ID
— Preceding unsigned comment added by Severndroog (talkcontribs) 16:29, 25 October 2011 (UTC)
Thank you for sharing the information — I put it inside a collapsible box to improve the readability of both the table and the talk page. The Finnish Maritime Administration has compiled a similar equivalence table for HELCOM in 2003. However, I don't think such technical details are absolutely necessary in the general ice class article — perhaps in a separate article about the Finnish-Swedish ice classes some equivalencies to classification society specific notations could be mentioned. As for the terms, "ice class" is commonly used to refer to the level of ice strengthening in the ship and personally I have never seen it used for anything related to insurance. Tupsumato (talk) 20:20, 25 October 2011 (UTC)
I moved most of the text about Finnish-Swedish ice classes to their own article. I will expand it later. Tupsumato (talk) 21:01, 21 November 2011 (UTC)

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