Talks aimed at settling the dispute are scheduled to take place through conciliation service Acas on Monday, but the indefinite strike which began on November 1 will continue, and there remain no diving support vessels operational in the North Sea.
The union also said that an emergency committee of divers had been set up to ensure that in the event of a genuine emergency involving a threat to safety an appropriate response could be mobilized immediately.
"Our members came to Aberdeen today and demonstrated that they are utterly united and share an unbreakable resolve to win justice in their pay dispute," RMT general secretary Bob Crow said after Friday's mass meeting.
"The divers have made it clear that they are 101 percent together and that there will be no diving in the North Sea until the dispute is resolved, and we made it clear to them that they can continue to count on 101 percent support from their union.
"There will be talks at Acas on Monday, and that is clearly a step forward, but there was no doubt from the meeting that the indefinite strike will continue.
"Solidarity messages have continued to pour in from unions around the world, offering moral and practical support, but also pledging to see to it that there would be no personnel diving in UK waters until this dispute is resolved," Bob Crow said.
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