The plan for Bengaluru’s proposed second international airport has encountered delays as the Airports Authority of India (AAI) flagged multiple challenges in its inspection report. AAI’s assessment of three shortlisted sites — Chudahalli, Somanahalli, and Nelamangala — revealed significant terrain and airspace constraints, prompting the government to order a fresh feasibility study.
According to AAI, the identified locations face issues related to rocky and hilly terrain, restricted airspace near Kempegowda International Airport (KIA), and environmental sensitivities due to proximity to Bannerghatta National Park. The report noted that extensive leveling, grading, and obstacle clearance would be required, leading to higher development costs.
The 5,200-acre site off Kanakapura Road near Taralu, located about 30 km from Bengaluru’s central business district, emerged as a key contender. However, experts observed that its uneven landscape could interfere with navigation and aircraft approach paths. The Somanahalli site, 35 km from the city, was also found to have rocky terrain with hillocks on both sides, potentially affecting runway alignment and escalating project expenses.
Similarly, the Nelamangala site, located off the Tumakuru highway, falls within restricted airspace shared with HAL, the Indian Air Force, and KIA. This overlap could limit safe aircraft movement and increase the cost of developing Instrument Flight Procedures.
State Minister for Heavy, Medium Industries, and Infrastructure M.B. Patil said that while AAI’s report presents both advantages and constraints, a comprehensive techno-economic feasibility study will soon be commissioned. Once completed, the government expects to identify the most viable location for the new airport.
The upcoming feasibility report is anticipated to analyze environmental impact, airspace management, and cost efficiency to finalize a site that aligns with Bengaluru’s long-term aviation needs.
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