Cargo Hook (opt.) Sikorsky single Radio Muter rocker switch in Overhead Switch Panel Sikorsky EFIS Master rocker switches in Overhead Switch Panel Storsky Radio Master By.Pass, EFIS By-Pass (Pilot and Copilot) CRT fans (two). mnuncotor (in ICS)- CRT FAN FAIL X Honeywell Mc XXII Enhanced Ground Proximity War