David H. Robertson has been appointed manager - service and erection of Combustion Engineering's Marine Department, it was announced. He succeeds Charles S. Church, recently made consultant to the general manager.

In his new post, Mr. Robertson will be responsible for C-E's worldwide marine service and erection activities. He will report to William C. Freeman, general manager of C-E's Marine Department.

Starting as an erector with C-E in 1955, Mr. Robertson has served in various positions in the Marine Department. He is a licensed marine engineer, and was an engineer with Furness Withy Shipping Company for five years prior to joining C-E.

Mr. Robertson attended Dundee Technical College at Dundee, Scotland. He is a member of the American Society of Naval Engineers and The Society of Naval Architects and Marine Engineers.