S.C. Code Ann. § 54-15-40
There is created the Commissioners of Pilotage for the Port of Charleston composed of six members one of whom is the chairman of the South Carolina State Ports Authority, ex officio, one of whom is the president of the International Longshoremen's Association Local 1422 or his designee, ex officio, and one of whom is a pilot licensed for the port of Charleston under Sections 54-15-120 and 54-15-130, appointed by the Governor. The remaining members are appointed by the Governor upon the recommendation of the Charleston County Legislative Delegation from lists of nominations for the offices submitted to the delegation by the Greater Charleston Chamber of Commerce, the Maritime Association of the port of Charleston, and the Propeller Club of the port of Charleston. The terms of office of the commissioners are for three years and until their successors are appointed and qualified, except that of the members first appointed, one shall serve for one year, one shall serve for two years, and one shall serve for three years. The member representative of the pilots licensed under Sections 54-15-120 and 54-15-130 has a three-year term. In the event of a vacancy, however caused, a successor must be appointed in the manner of the original appointment for the unexpired term. The above appointments must be made as each term of the present commissioners expires.