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Author Topic: A Question About Ship Re-Flagging  (Read 1246 times)
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Cody Williams
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« on: June 03, 2014, 11:21:30 am »

Hi Everyone,

I was just wondering, when a ship is re-flagged what kind of things on board or information regarding (like MMSI, call sign etc)a ship change? Any information would be greatly appreciated.

Kind regards,
Cody
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Captain Ted
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« Reply #1 on: June 03, 2014, 02:02:58 pm »

Hi Cody

the only thing what is visible to the outside world changes is the Call sign/flag, beside possibly the name/owners/homeport etc but the two latter of course is optional.
Otherwise all ships certificates have to be changed to the new call sign/flag i.e. name
and those are plenty.
on the ship itself also all places where a call sign is shown must be changed, like at the radio station. Also new settings in the AIS/Voyage data recorders/EPIRBS etc
The vitals of a ship stay the same,,like MMSI/IMO no.s

brgds
capt ted
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davidships
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« Reply #2 on: June 03, 2014, 02:14:57 pm »

On reflagging there must be a new Port of Registry (except perhaps where there is some quirky dual flagging arrangement) - and MMSI will change as it is flag-specific, I think.
But out Capt has it right in saying that there are a myriad of documents - not just related to the ship itself (add to the list insurance and class documents for example), but probably crew documentation as well.  It's not just a quick dab of paint and visit to the chandlers for a new ensign!
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Captain Ted
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« Reply #3 on: June 03, 2014, 03:36:29 pm »

hi david
to my knowledge MMSI stays same,,is once issued same as IMO for a ship.
What changes is the Call sign

homeport,,only when it changes,,which is not necessarily, but depends on
arrangements between countires and such
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davidships
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« Reply #4 on: June 03, 2014, 03:55:33 pm »

MMSI numbers are not given centrally like IMO; they are given by flag states from national batches allocated by the ITU - the first three digits show the country. 
https://en.wikipedia.org/wiki/MMSI
http://www.itu.int/online/mms/glad/cga_mids.sh?lng=E

My observation has been that call sign and MMSI both change on a change of registry.

Even ships on  one-way voyages for scrap usually have a badly-painted new port if the flag changes.  I suspect that that is a registry (or even IMO) requirement.  But no doubt there are laxities and exceptions.
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« Reply #5 on: June 03, 2014, 04:17:06 pm »

hi david

stand corrected,,you are right :-)
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