50-4-1 Duties of department. 50-4-2 Constructing, maintaining, and operating airports--Assistance to local governments. 50-4-3 Cooperation with federal agencies. 50-4-4 Acceptance of contributions. 50-4-5 Receipt of federal moneys on behalf of local governments--Agreements between department and local governments. 50-4-6 Disposition of federal grants. 50-4-7 Contracting powers of department. 50-4-8 Deposit of department moneys with state treasurer--Maintenance of separate fund--Authorized methods of disbursement. 50-4-9 to 50-4-11. Repealed. 50-4-12 Reporting sale of aircraft fuel--Violation as misdemeanor. 50-4-13 Appropriation of aircraft fuel tax revenues. 50-4-14 Uses for aeronautics fund. 50-4-15 Funds appropriated by § 50-4-14 not a limit. 50-4-16 Portion of tax revenues to go to eligible airports--Allocation of revenues from sales to regular airlines. 50-4-17 Expenditure of funds.