Behind the Panels: The Heart of Aircraft Avionics & Electrical Systems Beneath the flight deck floor lies one of the most critical areas of any aircraft—the avionics and electrical under-deck compartment. This space houses the backbone systems that ensure safe, reliable, and efficient flight operations across all aircraft types. From power distribution units, wiring looms, and circuit protection devices to avionics racks, data buses, and control modules, every component is engineered with precis