IIT Madras Study Revives Chennai Airport Satellite Terminal Plan Along Adyar River

A technical study by the Indian Institute of Technology Madras (IIT-M) has revived the delayed satellite terminal project at Chennai International Airport along the banks of the Adyar River. The project has been repackaged as a riverfront regeneration scheme to address the facility's severe passenger capacity constraints while mitigating local flooding vulnerabilities.

The satellite terminal proposal had previously languished for years due to the high cost and extensive scale of land acquisition required. However, the new IIT-M study concluded that the riverfront design would reinforce flood-prone stretches of the riverbank, prevent waterway encroachments, and unlock tourism infrastructure in the Adyar basin.

According to Airport Director M Raja Kishore, the institute's study also determined that the construction could be integrated with existing flood-mitigation frameworks in the Adyar basin. This finding has helped address some of the more sensitive objections to the development.

Airport officials have submitted the study's findings to the relevant authorities and are currently awaiting approvals to move the project forward. To finance the development, Raja Kishore has suggested a 50:50 funding split between the state government and the airport authority. While the state is currently examining the proposal, no official letter has been sent to the Chennai Unified Metropolitan Transport Authority yet.

The push for the terminal comes as the airport faces mounting pressure on its passenger-handling capacity. A previous plan to cater to 55 million passengers annually was shelved after the Tamil Nadu government dropped a proposal to acquire 193 acres of land for airport expansion in 2024. Currently, Chennai International Airport operates on just 1,317 acres of land, making it the smallest major airport in India.

In addition to passenger terminal plans, airport officials are examining potential expansions to cargo infrastructure. However, Raja Kishore struck a cautious note, pointing out that Chennai's freight operations depend heavily on belly cargo carried aboard passenger aircraft. He stated that exclusive cargo operations alone cannot drive growth, and any expansion would need to serve both passengers and freight.