Security technology of instrument landing systems

The article carries raising character, providing security for the complex and risky phase of the flight, which must satisfy the passengers and save the equipment. The International Civil Aviation Organization (ICAO) has identified the operational category, characterized by decision altitude (DA) and the range of visibility on the runway. Unfortunately, in reality, even the most advanced technology sometimes breaks down, in operation are obsolete aircraft designs, and Russian airports operate on outdated equipment.