The St. Louis-based NationAir Insurance Agencies are talking up the new "Advantage Program," a cost-controlled policy designed specially for EMS personnel. The program is set up to work for both large and small operators as "they will pay only for the specific coverage needed," NationAir says. It's been devised to coordinate with more general aviation liability policies, and includes 24-hour claims support. It's underwritten by C.N.A.