Mexicana de Aviación the world's fourth oldest airline operating under the same name, after the Netherlands's KLM, Colombia's Avianca and Australia's Qantas. In 2009, the Mexicana group of airlines (including Mexicana Click and Mexicana Link) carried just over 11 million passengers (6.6 million on domestic routes and 4.5 million on international routes), using a fleet of some 110 aircraft. Over the three years prior to folding, the Mexicana group had increased their share of what was a burgeoning domestic market, from around 22% at the beginning of 2007 to somewhere between 28% and 30% for most of their final 12 months. This was
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