DEFINITION:

Under this class we include all the security related applications like: police air patrols, air medical services, emergency management or search and rescue

(Source: Wikipedia: https://en.wikipedia.org/wiki/Police_aviation,

https://en.wikipedia.org/wiki/Air_medical_services ,

https://en.wikipedia.org/wiki/Emergency_management ,

https://en.wikipedia.org/wiki/Search_and_rescue

and PAE own elaboration)