Saab Logo — Saab Automobile AB is a Swedish manufacturer of automobiles, is based in Trollhättan, Sweden. Saab manufactures high-end cars, including performances by its engines and safety of their vehicles. General Motors decided to close Saab Automobile AB on December 18, 2009, but the 26 January 2010 reverses the settlement to reach a purchase agreement with the Dutch manufacturer Spyker and Saab Automobile AB is now called Saab Spyker Automobiles NV.
Saab Automobile is linked to the world of aviation in several ways, including the Saab brand is responsible for the manufacture of vehicles relizan the Friction Tester at many airports, including Spanish airports. In this test a vehicle with special telemetry devices walks the runway / landing at high speed to check the optimum condition of the asphalt.
In the case of Spanish airports, Aena uses models 9-5 for the tests. The cars are coupled fifth wheel in the back that goes down to the ground with a hydraulic system. This fifth wheel simulating a landing gear air system has an associated telemetry, whose data are collected and sent to a computer for technicians to assess the state of the tracks.