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Greetings from Panama! My name is Marina Ehrman and I have been a professional tour guide and promoter for Panama Tourism and Travel Company since 2005. I love what I do and am proud to share what my country has to offer. It is filled with endless leisure and commercial attractions, friendly happy people who open their doors to all visitors. Panama is a country of incomparable natural beauty with a variety of tourist attractions, beautiful beaches in the Pacific and Caribbean. The tropical climate year round with its diversified flora, fauna and indigenous groups make it one of the most important of Ecotourism in Latin America. I invite you to know our country’s history, culture and also enjoy the cuisine, folklore and traditions that only a place in the world can provide………Panama! Contact me and I’ll organize your visit and will be happy to welcome you in Panama. For more information on Panama, follow my Facebook page and my blog. Visit

Panamax and New Panamax

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Panamax and New Panamax are popular terms for the size limits for ships traveling through the Panama Canal. Formally, the limits and requirements are published by the Panama Canal Authority (ACP) titled "Vessel Requirements". These requirements also describe topics like exceptional dry seasonal limits, propulsion, communications and detailed ships design.

The allowable size is limited by the width and length of the available lock chambers, by the depth of the water in the canal and by the height of the Bridge of the Americas. Ships that do not fall within the Panamax-sizes are called Post Panamax. The limits have influenced those constructing cargo ships, giving clear parameters for ships destined to traverse the Panama Canal.

"Panamax" has been in effect since the opening of the canal in 1914. In 2009 the Canal management published the "New Panamax",  that will be in effect when the third lane of locks, larger than the current two, are operational from 2014.

The increasing prevalence of vessels of the maximum size is a problem for the canal as a Panamax ship is a tight fit that requires precise control of the vessel in the locks, possibly resulting in longer lock time, and requiring that these ships transit in daylight. Because the largest ships traveling in opposite directions cannot pass safely within the Gaillard Cut, the canal effectively operates an alternating one-way system for these ships.

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