The Department of Aviation shall have the power and its duty shall be to perform the following functions, itself or by contract:
(a) Maintain, improve, repair, and operate City airport facilities and equipment.
(b) When authorized by the Council, design and construct additional airport facilities.
(c) Notwithstanding, the authority of the Department of Public Property as otherwise provided in this Charter, the Department of Aviation shall, whenever authorized by ordinance, purchase, condemn in the manner provided by law, lease or otherwise acquire such grounds, buildings and building accommodations, structures and facilities as may be required by the Department.
(d) Whenever any Department of Aviation real estate is not being used in connection with the work of the Department, when authorized by the Council, sell the same upon the best terms obtainable after appropriate public advertising and the receipt of competitive bids.
(e) Grant leases and licenses for use of City airport facilities.
(f) Fix rates and charges for use of airport facilities, as authorized by ordinance.
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