witches 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 Warning System (EGPWS). Features include: terrain display on EFISIt Sx Modes: Mode 1 Excessive Rate of Descent. Mode 2 Excessive Terrain Closure Rate. Mode 3 Inad