Mexicana de Aviación The headquarters of the company were in the Mexicana de Aviación Tower in Colonia del Valle, Benito Juárez, Mexico City. In addition to domestic services, Mexicana operated flights to various international destinations in North America, Central America, the Caribbean, South America and Europe (until August 31). Their primary hub was Mexico City's Benito Juarez International Airport, with secondary hubs at Cancún International Airport, and Guadalajara's Don Miguel Hidalgo y Costilla International Airport. Mexicana's main competitors were Aeroméxico (although the two companies "codeshared" on several routes), and low-cost carriers such as Volaris and Interjet. Mexicana was North America's oldest airline and
S scale S scale S scale (or S gauge) is a model railroad scale modeled at , S scale track gauge (space between the rails) is . S gauge trains are manufactured in both DC and AC powered varieties. S gauge is not to be confused with "toy train standard gauge", a large-scale standard for toy trains in the early part of the 20th century. S Scale is one of the oldest model railroading scales. The earliest known 1:64 scale train was constructed from card in 1896. The first working models appeared in England in the early 20th century. Modeling in S