People who typically need an AROC include ground handlers, B1 and B2 licensed aircraft maintenance engineers who operate radios when taxiing or towing aircraft or testing aircraft radios, RPAS operators, some aerodrome personnel and some people involved in emergency service operations.
You will need an AROC if you intend to transmit on an aeronautical radio frequency and are not authorised under other rules including:
If your working in an airport environment as a ground crew, you required an AROC.
Drone pilots are nowadays required to hold an AROC to be able to compliently operate in a commercial setting.
Aircraft refuelers both in small and large airport environments require an AROC.
You need an AROC if you are looking to secure a role as a loadmaster for an aircraft.
AROC is an essential requirement for crew working inside an airport as a pit crew. This could be all the way from maintenance engineers to pushback crew.
If you are working as a surf lifesaver and looking to communicate with Helicopters, AROC is essentia.
Public safety operations such as fire, police and ambulance who closely work in the aviation environment require an AROC.
If you are a baggage handler and working inside an airport environment, you need an AROC.