California, Los Angeles Police Department Air Support Division
The Los Angeles Police Department Air Support Division operates 12 Eurocopter AS350 B2 Astars, 4 Bell 206 helicopters, 1 Bell UH-1H Huey helicotper, and 1 King Air 200 Fixed Wing Aircraft.
The Los Angeles Police Department Air support Division started with one helicopter a Hiller 12J in 1956, then added a second helicopter in 1963.
The LAPD Air Support Division claims to be the largest "Municipal" police air unit in the world.
To read more about the LAPD Air Support unit visit my other page on them here.