Alphaliner: Biggest Ever Boxship to Transit Panama Canal in May 18 April 2019 Panama Canal is scheduled to welcome its first 20-row containership, the Neopanamax Triton, on May 15.Author: Capt. Johnhttps://worldmaritimenews.com/archives/275272/alphaliner-biggest-ever-boxship-to-transit-panama-canal-in-may/