When installed without a panel-mount GPS the E5 is approved for VFR flight only. New advanced features – Unlock the true power of the E5 now featuring a standard HSI and optional True Airspeed, Outside Air Temperature, Winds, and GPS annunciations through a simple software upgradeįlexible installation options – the E5 is approved for IFR flight when installed with a panel-mounted IFR GPS. Includes Global Positioning System (GPSS) Steering, and attitude heading reference system (ADAHRS) Versatile Performance – presents attitude information with altitude, airspeed, vertical speed plus HSI into a single display with a backup battery. The Evolution E5 is a drop-in replacement that gives you advanced functionality with easy and affordable upgrades that allow you to add additional capabilities and take advantage of future technologies without replacing your existing display. Simplifying the transition from old-style vacuum gauges to electronic displays