Subsequently, much of its original area was made available as capital in a joint management limited liability company created to run the future airport, Port Lotniczy Mazowsze Warszawa-Modlin Sp. z o.o. The airport was converted for civilian use, primarily as a replacement for the now closed Etiuda terminal for low-cost carriers at Warsaw's main airport, this idea emerged in the early 2000s.[5] Numerous projected opening dates had slipped,[6] and business plans with extensive infrastructure improvements, including a new passenger terminal, had been proposed without any actual progress in the construction for some time.