L-3’s Next Generation Electronic Standby Instrument System, is one of the most advanced standby instruments designed specifically for piston and turboprop aircraft, as well as helicopters. The compact unit is scalable and comes standard with slip/skid, altitude, vertical speed, attitude, and aircraft track. Options are available for the display of navigation information and Synthetic Vision (SynVis), including obstacles and terrain. With the low cost and compact MAG-500 magnetometer, you also have available the magnetic heading option.
The ESI-500 is compatible with existing NAV radios and GPS hardware. In the event of a main input power loss, the unit contains an internal lithium-ion battery pack to automatically power the system without interruption.