Malyasian Missing Plane will never Happen Again
At least to US Aircraft. Starting in April a $1.8 Billion contract to XLS will make sure that a US Aircraft will never go missing.
ADS-B, which uses GPS to track airplanes: receivers on aircrafts calculate their position within several meters, then broadcast that position every second to the ground or to nearby aircraft. By the end of this month, thanks to a $1.8 billion contract with McLean-based Exelis Inc., the U.S. will have about 650 ground stations to receive the signals deployed across the country, including Alaska, Hawaii, Guam, the Gulf of Mexico and the U.S. Virgin Islands.
"It replaces radars, which can do the function, but are inherently inaccurate. They're also fairly expensive," said Ed Sayadian, vice president of air traffic management with Exelis. "And you don't have a proliferation of radars around the globe and, therefore, don't have as much coverage."