OCSD Sheriff AS350 helicopter model. The AS350 AStar is a single-engine workhorse with the best performance in its category. Built and certified in the United States, this cost-effective helicopter accommodates five to six passengers in all forward-facing seats. High performance, enhanced maneuverability and reduced pilot workload make American Eurocopter's AS350 the preferred rotary-wing aircraft for a growing number of U.S. civilian users, air medical services and law enforcement agencies. Orange County Sheriff's Department, California.