The maintenance of Yokohama Zone is now being provided by the three ship operators, namely, KCS, KTS and SBSS those who are leading the cableship maintenance in Asia-Pacific relegion.
Their cableships are deployed at nearby the berth of three cable depots, Yokohama in Japan, Geoje in Korea and Wujing in Chinahave. And they have ideal geographical location to ensure quick access to the repair site even when this is at the edge of the Zone, like as Mid-Pacific. Please see the map indicating the coverage from each depot/base port.

Yokohama Zone's Ship Location