AAI to implement ACDM at 4 airports by 2020. But what is it?

New Delhi: In order to make air travel and air navigation services smoother, the Airports Authority of India (AAI) is planning to implement ACDM at four airports by January 2020. To make this happen, AAI officials met representatives from four private airport operators — Delhi International Airport (DIAL), Hyderabad International Airport Limited (HIAL), Bengaluru International Airport Ltd (BIAL) and Cochin International Airport Ltd (CIAL) in Mumbai on Monday.

Considering the aircraft movement and growth of air traffic at Ahmedabad, Jaipur, Guwahati and Thiruvananthapuram Airports, ACDM will be implemented at these airports by January 2020.

What is ACDM?

The officials met to discuss the usage of ACDM, which stands for Airport Collaborative Decision Making. ACDM helps improve efficiency of airport operations at busy and congested airports. The primary focus is on reducing aircraft holding delays at runway holding point. This results in substantial saving of aviation fuel and reduction in carbon emissions. This is achieved by improving the decision-making process by sharing of relevant information among aviation stakeholders.
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First ACDM project implemented at Mumbai airport

AAI took up first ACDM project development for Mumbai's Chhatrapati Shivaji International Airport. All the project activities like software development, network design, hardware planning, live testing, implementation and software maintenance were completely done by in-house team of AAI in 2015.

The improved version of the in-house ACDM system was installed and commissioned at Chennai Airport on May 24, 2018 and at NSCBI Airport, Kolkata on August 11, 2018.

Benefits of ACDM

ACDM results in reduction of congestion at holding point at the runway of an airport. It also helps reduce fuel consumption, Carbon emission and taxi time of the aircraft. Implementation of ACDM helps ATCOs by reducing cognitive workload and resulting in safe and orderly flow of aircraft due to reduced number of simultaneous aircraft movements.

After successful implementation of ACDM at CSI Airport, Mumbai common situational awareness among ATCOs was reached, it resulted in higher coordination between all operational partners, improved ground handling processes, improved programmability due to increased stability for all operational processes (Airlines, Airport, ATC) based on reliable target times.