The manager of production and distribution of the board of public utilities in such city and the manager of collections and accounts shall perform any additional duties assigned to them or either of them by the board of public utilities pertaining to the management, control and operation of the municipal airport and municipal fields for aviation purposes, and shall be governed in their duties pertaining thereto by the provisions of Kan. Stat. Ann. §§ 13-1224 and 13-1225, as far as applicable.