The Wall Street Journal looks at aviation safety problems related to the lack of radar screens at small airports. The story points to three midair collisions that occurred in year 2000 because of the lack of "one of the simplest and oldest air-traffic-control tools." The article cites Federal Aviation Administration (FAA) statistics showing that across the country, 90 busy airports are in need of radar, and examines the advantages and disadvantages of the two main available radar systems - Tardis and Raytheon.
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