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Standby Systems

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

ESI-500
General Aviation / Standby Systems
ESI-500

Pack 50 years of standby experience in your panel L3Harris' Next-Generation Electronic Standby Instrument System — ESI-500 — is one of the most advanced standby instruments designed specifically for piston and turboprop aircraft and helicopters. The compact unit is scalable and comes standard with altitude, attitude, slip/skid, vertical speed and aircraft track. Options are available for the display of navigation information and Synthetic Vision (SynVis), including terrain and obstacles. Magnetic heading is an available option when coupled with the low cost and compact MAG-500 magnetometer. The ESI-500 is compatible with existing NAV radios and GPS hardware. Upon loss of power an internal lithium-ion battery pack automatically powers the unit and magnetometer without interruption. ESI-500 Key Features: • Mirrors PFD presenting attitude, altitude, airspeed and slip data • Options for terrain, SynVis, obstacles, heading and navigation • Internal lithium-ion battery offers uninterrupted flight data • Low-cost, compact design for piston and turboprop aircraft • High-resolution, 24-bit color display • 3″ round case for easy installation into existing panel cutouts • Airspeed awareness band highlights aircraft VNE and VMO cues

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GH-3900 ESIS
Air Transport/Airline/Regional , General Aviation , Business Jet , Military / Standby Systems
GH-3900 ESIS

A panel full of capabilities housed in a compact, multi-capability standby display unit The GH-3900 Electronic Standby Instrument System (ESIS) represents the next-generation of standby instrument technologies and capabilities for mid- to large cabin business turboprops and jets and helicopters, as well as air transport category aircraft. Along with being a full-function standby ADI, the GH-3900 offers pilots an unmatched array of configuration options, including customizable colors and visual flight cues, as well as displayed information tailored to Part 23 (Class III & IV), 25, 27 and 29 aircraft and helicopters.

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GH-3900RSU ESIS
Business Jet , Air Transport/Airline/Regional , General Aviation / Standby Systems
GH-3900RSU ESIS

The thinnest and widest remote-mounted standby for business and commercial aircraft At only 1.5 inches deep, the L3 GH-3900RSU™ Electronic Standby Instrument System (ESIS) is the thinnest electronic standby instrument available for business, regional and commercial aircraft and helicopters. Highlighting the system’s design is a Remote Sensor Unit (RSU) which enables the 4.2-inch (diagonal) landscape display to be installed virtually anywhere on the panel. The GH-3900RSU ESIS is designed to meet the needs of Part 23 (Class III & IV), Part 25 aircraft and Part 27 and Part 29 helicopters.

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Trilogy ESI
General Aviation / Standby Systems
Trilogy ESI

A digital revolution in standby instrumentation Whether you fly a Part 23 fixed-wing aircraft or a Part 27/29 rotorcraft, the pathway to a complete glass package leads to the L3Harris Trilogy™ Electronic Standby Instrument (ESI). The Trilogy ESI is a panel-mounted solid-state instrument that provides dependable backup for attitude, altitude and airspeed information. The Trilogy ESI replaces traditional electro-mechanical standby instruments and combines the information into a compact and easy-to-read 4-inch x 3-inch display. Trilogy ESI Key Features: • Internal battery (ESI-2000 model) provides flight data for a minimum of one hour after power loss • Logically grouped flight data eliminates multiple instruments, making the transition to standby easier • Single instrument reduces weight and scan times vs. reading multiple instruments • Certified to Design Assurance Level A, the highest safety standard acknowledged by the FAA

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EHSI-4000
General Aviation / Standby Systems
EHSI-4000

Setting a new standard for EHSI This next-generation EHSI unit is defining a new standard by integrating 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 and compact layout. It combines the advantages of digital precision and solid-state reliability into a unit that is intuitive to operate in any environment. And when used with the ESIS GH-3000, key flight information will be available even if either unit is damaged or fails. The new standard for EHSI: • Fully digital design • Flat-panel technology • Intuitive operation in any environment

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Commercial Gyros
Air Transport/Airline/Regional , General Aviation , Business Jet , Military / Standby Systems
Commercial Gyros

AI-330 Gyro 3” and AI-804 Gyro 2” provide vital backup for emergencies L3Harris Gyros were designed to provide pilots with the critical information they need to safely maneuver an aircraft when the power goes out in flight. With L3 Gyros, horizontal attitude and other vital information are accessible in seconds. L3Harris systems provide backup for a variety of aerial systems, including helicopters, unmanned aerial systems, remotely piloted vehicles, fixed-wing aircraft and military and air transport platforms. Key Gyro System Benefits: Rugged design to ensure performance in challenging environments Night-vision goggle (NVG)-compatible Bottom role scale options

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J.E.T. Emergency Power
General Aviation , Military / Standby Systems
J.E.T. Emergency Power

Keep critical aircraft functions ready in an emergency Keeping critical backup systems functional in an emergency means having a reliable and instantly available backup source to power them. The L3Harris solution is J.E.T. Brand Emergency Power Supplies and Power Conditioning equipment, which provide mission-critical functions for commercial, military and special-use aircraft. J.E.T. Brand Emergency Power Supplies enable operators to power 2 to 3 essential systems for more than an hour. These advanced systems enable pilots to maintain radio contact and continue to navigate using MFD, GPS, VOR receiver or directional gyro. Key J.E.T. Power Supply Features: • Capable of withstanding severe performance requirements, including thermal shock and high charge and discharge rates • Automatically controlled internal heaters • Front panel and remote self-tests • Optional proven L3Harris designed and manufactured power conditioning equipment is available to complete the package

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