The L-3 EHSI-4000 is defining a new standard for Electronic Horizontal Situation Indicators by utilizing a fully digital design and flat panel technology. Designed to replace older electro-mechanical horizontal situation indicators, the EHSI-4000 provides distance, bearing and course information in a 3-ATI size display, yielding a lightweight ...

The EHSI-4000, when combined with the ESIS GH-3000, provides flight crews with comprehensive backup Air Data, Attitude and Navigation information. The “wraparound” capabilities of this coupled arrangement allow information sharing to insure consistent, reliable and redundant flight information. Sufficient redundancy is

L3Harris' line of Electronic Standby Instrument Systems (ESIS) and stand-alone electronic Horizontal Situation Indicators (HSI) offers civil, commercial, military and helicopter aircraft manufacturers, operators and maintainers a compact, reliable and cost-effective replacement for legacy standby instruments.

EBDI-4000 TP-566 C 1/31/2018 InstallationandOperationManual EFD-750 MAG-500 0040-15751-01 E 7/14/2021 EFD-750/MAG-500InstallationManual ElectronicFlightDisplay ... EHSI-4000 TP-580 B 12/6/2007 InstallationandOperationManual ESI-1000 0040-32001-01 U 10/13/2017 ESI-1000InstallationManual

The EHSI-4000 provides distance, bearing and course information in a 3-ATI size display, yielding a lightweight and compact layout.

Designed specifically for rugged military environments, the L-3 EHSI-3000 requires +28vdc, weighs less than three pounds, interfaces via dual 1553B multiplex busses and is tested to MIL-STD-810 and MIL-STD-461/462 environmental requirements.

The EHSI-4000 is a lightweight, small display that was created to replace previous electro-mechanical horizontal situation indicators. It shows distance, bearing, and course information. It combines the benefits of solid-state dependability and digital precision in a device that is simple to use in any setting.

The EHSI-4000 provides distance, bearing and course information in a 3-ATI size display, yielding a lightweight and compact layout. Designed to be powerful and reliable, the SkyWatch 497 is the ideal traffic advisory system for general aviation, fixed-wing and helicopter applications.

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Part Number 501-1879-0102EX is an EHSI-4000 manufactured or catalogued by Cessna Citation. In some cases a proprietary airframe or engine manufacturer's part number may be assigned to identify the same part which was actually manufactured by a different component OEM.