stem XPNDR (Transponder) Dual Honeywell mode S ELT (Emergency Locator transmitter) Single 406 MHz with navigation interface EGPWS (Enhanced ground Proxi. Warn. Sys) Single Honeywell EGPWS TCAS (Traffic collision Avoidance system) Single Honeywell TCAS II 7.1 CVR (Cockpit Voice recorder) Single CVR (