Intertropical Convergence Zone of human errors which ultimately doomed the flight. Most aircraft flying these routes are able to avoid the larger convective cells without incident. Intertropical Convergence Zone The Intertropical Convergence Zone (ITCZ), known by sailors as the doldrums or the calms, is the area encircling Earth near the Equator, where the northeast and southeast trade winds converge. The ITCZ was originally identified from the 1920s to the 1940s as the "Intertropical Front" ("ITF"), but after the recognition in the 1940s and the 1950s of the significance of wind field convergence in tropical weather production, the term "ITCZ" was then applied. When
Colón Free Trade Zone Colón Free Trade Zone The Colón Free Trade Zone is a large entity near the Atlantic entrance to the Panama Canal, located in Panama dedicated to re-exporting a wide variety of merchandise to Latin America and the Caribbean. It is a free port. The Colón Free Trade Zone is the largest free port in the Americas, and second largest in the world. It started operations in 1948 and occupies about . It is divided in two large areas: one located in Colón, segregated from the city by a wall, and the other relatively new, in the harbor area, which is