<h1>Flying duty time limitation rules constrain long-haul operations, prompting alternate routes and technical stops to comply with regulator permissions.</h1> Operational adaptations respond to crew duty regulatory limits under DGCA. Air India is using Mongolian airspace and domestic technical stops to reduce flying time, avoid European enroute landings and associated costs, and to address higher fuel burn and Flying Duty Time Limitation compliance by seeking permissions for extended duty after enroute landings or by deploying augmented crew on ultra long sectors.