The state Board of Public Works on Wednesday gave approval for the Maryland Aviation Administration to spend about $1.05 million to maintain the hotel on the airport grounds, said MAA spokesman Jonathan Dean. The manager of Four Points by Sheraton BWI Airport in September notified the MAA, which owns and operates the airport, that it would close the hotel when its 30-year lease expired at the end of this month. The manager previously noted the 201-room hotel needed updates that would likely cost more than $2 million. The MAA has reached out to the hotel industry to see if another company would be interested in managing the property for five years, with the possibility of an extension, Dean said. The deadline for proposals is Nov. 22. Longer term, the airport is considering building a new hotel at the airport that would be connected to the terminal.