SFO to install Honeywell’s ground-based augmentation system 28 May 2021 (Last Updated May 28th, 2021 12:53) SmartPath is expected to expedite flight times for airlines and reduce noise levels around SFO. Share Article SFO will become the third US airport to install its technology after Newark Liberty Airport and Houston’s George Bush Intercontinental Airport. Credit: ahsing888 / Pixabay. San Francisco International Airport (SFO) in the US is deploying Honeywell Aerospace’s SmartPath Ground-Based Augmentation System (GBAS) technology to enhance airport efficiency. This technology is expected to minimise aeroplane fuel usage, speed up flight times for airlines and reduce noise levels around the airport.