A Tactical Coordinator (Tacco, pronounced 'TACK-oh') is the
aircrew member
Aircrew, also called flight crew, are personnel who operate an aircraft while in flight. The composition of a flight's crew depends on the type of aircraft, plus the flight's duration and purpose.
Commercial aviation
Flight deck positions ...
responsible for coordinating the activities of the part of the
crew
A crew is a body or a class of people who work at a common activity, generally in a structured or hierarchical organization. A location in which a crew works is called a crewyard or a workyard. The word has nautical resonances: the tasks involve ...
responsible for the tactical operation of the aircraft and its systems. The TACCO may, depending on the country, be the Mission Commander of the crew.
Typically, TACCOs run the missions in
Sikorsky CH-124 Sea King helicopters,
Sikorsky CH-148 Cyclone
The Sikorsky CH-148 Cyclone is a twin-engine, multi-role shipboard helicopter developed by the Sikorsky Aircraft Corporation for the Canadian Armed Forces. A military variant of the Sikorsky S-92, the CH-148 is designed for shipboard operations ...
helicopters,
Lockheed P-3 Orion
The Lockheed P-3 Orion is a four-engined, turboprop anti-submarine and maritime surveillance aircraft developed for the United States Navy and introduced in the 1960s. Lockheed based it on the L-188 Electra commercial airliner.