The Directorate General of Civil Aviation has said that Kingfisher Airlines has assured it, that at any given point of time, not more than three of their aircraft would be out of use, and maintained the government is keeping an eye on whether airlines were using their slots. Pointing out that Kingfisher Airlines has sent a reply explaining why its aircraft were not flying, DGCA head Bharat Bhushan told reporters that the airline has given reconfiguration of the planes as the reason. He said, as part of these plans, they are planning to reconfigure about 30 aircraft by putting business class seats.