The maximum LOA for passenger and container ships is set at 294.13 m (965 feet).
The maximum LOA for all other ships is set at 289.6 m (950 feet).
The controlling depth on the Atlantic approach channels is 12.8 m. The controlling depth at the Pacific end, between buoys 1 and 2, is 12.9 m. The maximum permitted draught for canal transits is set at 12.04 m. (39' 06") in Tropical Fresh Water at a Lago Gatun level of 24.84m or higher.
The maximum allowable height (air draft) for any ship transiting the Panama Canal or arriving the Port of Balboa is 57.91 m (190 feet) at any tide. The Panama Canal Authority can issue a special permit to allow a ship with an air draft of 62.5 m (205 feet) to pass at Balboa during MLWS (mean low water spring).
Pilotage is compulsory in Canal waters According to the Panama Canal Authority, the pilot assigned to a vessel has the control of the navigation and movement of such vessel. The Panama Canal is the only place in the world where the pilots takes over the command of the vessel instead of acting as an advisor to the Master of the vessel. No one does anything onboard until the pilot orders it done.
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