The Federal Aviation Authority (FAA) has agreed to provide San Francisco International Airport in the US with $80m to build a new air traffic control (ATC) tower.
The 228ft tower, to be built between terminals one and two, will have an enlarged operation area and a glass window with a 270º view of the airfield.
It will replace the existing 180ft tower, according to MercuryNews.com.
The tower has been designed by the airport's air traffic controllers in conjunction with the National Air Traffic Controllers Association to ensure its meets seismic and safety standards.
Work is expected to begin in 2011 and will be complete within four to five years.