Avionics:
Pilot flight/navigation EFIS (2 displays) with embedded FMS, Synthetic Vision (SVS), HTAWS (Helicopter Terrain Awareness and Warning System), slip indicator and Remote Bug Panel (RBP), Co-pilot flight/navigation EFIS (2 displays) with embedded FMS, Synthetic Vision (SVS), HTAWS (Helicopter Terrain Awareness and Warning System), slip indicator and Remote Bug Panel (RBP), Reversionary Control Panel (RCP), EFIS pilot/co-pilot navigation synchronisation switch (FMS data), Electronic Standby Instrument System (ESIS), Second Radio Management System (RMS) RTU-4210 Collins, Second VHF/AM VHF-4000E Collins,

VOR/ILS/ADF NAV-4000 Collins, DME DME-4000 Collins, Radio altimeter ALT-4000 Collins, Second Attitude Heading Reference System (AHRS), Second Air Data Unit (ADU), Pilot GPS/SBAS Chelton interfaced to EFIS/FMS Co-pilot GPS/SBAS Chelton interfaced to EFIS/FMS, Digital Audio Control System (DACS) NAT additional cockpit panel, 4-axis dual duplex digital AFCS with integrated Flight Director, Second electronic clock Second magnetic compass indicator, ELT-C406-N HM Artex (with Navigation Interface Module embedded), Dual controls

Original source:
https://www.castleair.co.uk/helicopter-showroom/agusta-109sp-grand-new-g-dgun/