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

A technical study conducted by the Indian Institute of Technology Madras (IIT-M) has boosted a long-delayed satellite terminal project at the Chennai International Airport, which has been repackaged as a riverfront regeneration scheme along the banks of the Adyar river. The proposal aims to address critical passenger capacity constraints at the congested airport while reinforcing flood-prone stretches of the riverbank.

The expansion proposal had previously languished for years due to the high costs and the massive scale of land acquisition required. However, the new technical study by IIT Madras concluded that the riverfront development could successfully check encroachments on the waterway, unlock new tourism infrastructure, and protect vulnerable areas from flooding.

According to Airport Director M Raja Kishore, the study's findings have been submitted to the relevant authorities, and the airport is currently awaiting approvals before the project can advance further.

"We initially proposed the project in a different form, but it involved substantial land acquisition and was very expensive," Raja Kishore said. "IIT Madras conducted a technical study on the riverfront option and identified several benefits."

The institute also concluded that the construction could be fully integrated with existing flood-mitigation frameworks in the Adyar basin. This finding has helped defuse major environmental concerns and sensitive objections that had previously stalled the development.

The push for the satellite terminal comes as the airport faces mounting pressure on its passenger-handling capacity. Chennai International Airport ranks among the most congested in India. It currently operates on just 1,317 acres of land, making it the smallest major airport in the country.

A previous plan to cater to 55 million passengers per annum was shelved after the Tamil Nadu government dropped a proposal to acquire 193 acres of land for airport expansion in 2024.

To realize the repackaged riverfront project, Raja Kishore has suggested a 50:50 funding split between the state government and the airport authority. While the state is reportedly examining this proposal, no official letter has been sent to the Chennai Unified Metropolitan Transport Authority as of yet.