Ships' berth time at port depends on the efficiency of containers loading and unloading, re-stow is primary factor that influences the stowage.

But the arrival of Penguin in 1987 marked a decisive change, establishing a berth in India for a major international publishing house for the first time.

Shifting time from anchorage to unloading berth, time lost due to berthing operations and preparations by the vessel to berth, and time taken for completion of pratique at anchorage or after berthing.