Registration takes less than 1 minute.
Move comes as ILWU, PMA talks enter 10th month.
PMA neither loaded nor unloaded ships over the weekend, leaving yard and gate operations up to individual terminals.
Despite presence of federal mediator 'no further agreements have been reached.'
Maersk Line CEO Soren Skou told American Shipper container lines need to adapt to permanent overcapacity, and cited Maersk's network management as the primary driver of bumper profits in recent years.
The Maersk Garonne was pulled free early Saturday morning, just hours after running aground.
The ocean liner said the ships, scheduled for delivery in 2017, will be deployed in the Asia-North Europe trade.