The membership of the Aviation Advisory Committee shall consist of seven (7) members selected and appointed by the Board as follows:
(a) One member appointed by each Supervisor;
(b) Two (2) members appointed at large by the Board; and
(c) At least four (4) members shall be licensed pilots. (§ 3, Res. 69-8, as amended by § 1, Ord. 777, eff. July 7, 1977)