Chatter with some fellow fire fighting ship mates. Halon- no longer except very specific exceptions, AFFF (
Aqueous film forming foam)no more as it is carcinogenic, C02 - not much and H20 in lithium battery fires just cools it for a bit

The ship cannot put much water in as it would be unstable and roll.
Suspect it will go out some time - its burning it self out hopefully before it burns to the water line

""The fire has subsided in recent hours," port captain João Mendes Cabeças told local media. "
Noting putting out a haystack fire give some of the same issues. Ship was build by Shin Kurushima Dockyard. I suspect it is Steel not aluminum so it might be floating for a while yet.
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