Every day, tens of thousands of planes land on airport runways in the United States — fortunately, an effective warning and guidance system is in place to help each one arrive safely. JetBlue recently delved into the details of the instrument landing system, which gives pilots lateral and vertical guidance at elevations under 200 feet using a pair of antennae and illuminated markers, all of which are especially important when weather is less than ideal. To see how the airline industry plans to use GPS to enhance the landing system and what the FAA is doing to recover from Hurricane Sandy, head to the source link below.