The Los Aneles County Sheriff's Department operates 12 Eurocopter "Astar" AS350 B2 helicopters, 3 Sikorsky HH3 helicopters, 2 Cessna 210 fixed wing aircraft and 1 Beach B200 fixed wing aircraft.
The Los Angeles Sheriff's Department Aero Bureau also maintains a highly technical rescue unit known as "Air 5." Acording to the departments website;
"The Air 5 rescue program provides some of the most advanced technical rescue capabilities available in the nation. With a flight crew of two deputy pilots a sergeant crew chief and two Emergency Service Detail deputy paramedics, the team is deployed on search and rescue and over-water operations, and can rapidly deploy Tactical Response Forces during major incidents."
To read more about the Los Angeles Sheriff's Aero Bureau see my other page on them here.