MidCoast Regional Airport’s new fixed-base operator told local Joint Management Board members Wednesday that efforts to reduce costs, train airport staff in fuel quality control and promote the airport are going well. Brian Ciambra, Volo Aviation’s senior vice president for FBO operations, told board members staff has been monitoring the type of customers who come in and out of MidCoast Regional to determine the services they need. He estimated 60-70 percent of customers who come into the airport fuel their own planes.In an effort to market MidCoast to potential customers, the Volo executive said there are eight airports near MidCoast that cater to similar civilian aircraft.