"...release from all past grant obligations, subject to a requirement to repay the unamortized portion of such grants, and requests closure of St. Clair Regional Airport and authorization to sell the land by sealed bid, subject to a requirement that all proceeds from said sale be provided for disbursement at the direction of the Federal Aviation Administration."
Source: From remarks made by the city of St. Clair, MO, -- which wants to close its airport, where it has plans for development of a retail shopping complex on the site. The city has been trying to close the airport since 2007.