Ultra large containerships have probably reached their logical limit in terms of size increases, according to PSA International chief executive Tan Chong Meng. Speaking at the Global Liner Shipping Asia conference in Singapore, Mr Tan said that if ships had not yet grown to their maximum size, they were close to it. "There's another 20% growth possible, taking ships up to 24,000 teu-26,000 teu, but beyond that it gets to a point of diminishing return," he said. But the commercial and practical validity of ultra-large tonnage was called into question by shippers and port operators during the opening day of the conference, with many blaming these ships for the woes afflicting the industry at present.
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