Honeywell has a wide range of upgrades and retrofit systems for the GIV including: 36-150 auxiliary power unit, Primus Elite® DU-880/885 display units, FMZ-2000 flight management system, optional FMS 6.0, and HUD 2020 head-up display. Situational awareness is enhanced with the addition of the Enhanced Ground Proximity Warning System, Runway Awareness and Advisory System, SmartLanding®, Primus P-88- radars and Primus LSZ 860 lightning sensor, and LASEREF I/II Inertial Reference Units. Honeywell’s multi-channel satellite communications products provide efficient and convenient access to: email, internet, corporate network, and video conferencing when coupled with the plane's onboard network. Honeywell’s Ovation Select® cabin management and entertainment system optimizes passenger comfort and productivity. Our avionics and flight support services, and maintenance and service plans, provide comprehensive trip support and protect your systems investment.