Officer in charge (police)
The officer in charge (OIC) is the gazetted officer in command of a police station in Sri Lanka. He/she is in charge of most of the investigations of the station and for maintenance of law and order within that police area.
Officer in charge can also refer to the head officer of a fire station or district, as well as other public safety agencies, such as forestry districts and EMS districts.
In the Canadian navy, the senior officer onboard an orca-class patrol vessel is the officer in charge. However, they are usually referred to as "captain".