Nordic-based, Finnair, SAS and Novair airlines will introduce the Braking Action Computation Function (BACF) on A320 Family aircraft
A new functionality for Airbus jetliners literally turns an aircraft into a moving sensor during landing – providing real-time data on potentially challenging or dangerous runway conditions created by rain, snow or freezing water.
Developed through a project of Airbus and its NAVBLUE subsidiary for airline operations software, this technology enables pilots to more accurately evaluate the braking action the aircraft experienced during landing.
Braking Action Computation Function (BACF), help to address the biggest category of accidents, called “runway excursions,” when an aircraft departs the runway. Runway excursions often occur when the runway is contaminated, particularly with standing water, snow and/or ice
The BACF uses data from an aircraft’s deceleration during landing, comparing this information against different reference runway conditions., and Additionally, using GPS information from the aircraft navigation systems, to identify which section of the runway the aircraft is on when a runway state is identified. This information is displayed on the cockpit’s Multifunction Control & Display Unit (MCDU), enabling pilots to radio their inputs to air traffic controllers, to be shared with the crew of incoming planes landing at the airport.
The calculated BACF data also is sent automatically by digital link to NAVBLUE, which collects and displays the results on its RunwaySense web application. The RunwaySense technological approach is similar to mobile apps that allow drivers to see and avoid traffic jams.