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GH-4001 Electronic Standby Instrument System (ESIS)

Product overview

The GH-4001 (ESIS) provides critical awareness and maximum safety leveraging the next generation of standby technology specifically designed to meet the demanding needs of high performance military aircraft, including ruggedized helicopter environments.

  • In-cable configuration module
  • Field-loadable software and display settings
  • Rotor speed indicator (external sensor required)
  • Illuminated menu button
  • System status menu with maintenance output capabilities
  • Full Mil-Qualification
  • MIL-STD-1553 or ARINC 429 interface

Key Features

Sunlight readable Active-Matrix Liquid Crystal Display (AMLCD) with LED backlight…and more

The unit, which features a sunlight-readable AMLCD with LED backlight, aligns in less than a minute after startup. The GH-4001 has the capability to display Rotor Speed and Vertical Speed tapes. The preferred presentation of flight data as well as software updates can be accomplished in the field, eliminating the need to remove the unit for display updates. The GH-4001 also features a system status menu page, simplifying the maintenance of the unit.


Configurable for single and tandem pilot aircraft

The ruggedized GH-4001 is designed to integrate with existing magnetometers and contains a 3-ATI display and high rate sensors built to Mil-qualification standards, enabling it to be installed on any platform and configurable for single and tandem pilot aircraft. The GH-4001 repeater display is available for multiple cockpits. The GH-4001 is a direct replacement for the GH-3001 model and uses the same wiring harness and connector.

Product specifications

WEIGHT 2.9 lb. max (1.32 kg)
POWER 10 W nom., 22 W max.
  • MIL-STD-810
  • MIL-STD-461
  • MIL-STD-704
  • MIL-STD-3009
GH-4001 Repeater Display
WEIGHT 2.3 lb. max (1.04)
POWER 7 W nom., 16 W max.
  • MIL-STD-810
  • MIL-STD-461
  • MIL-STD-704
  • MIL-STD-3009


  • GH-4001 and GH-4200 ESIS Datasheet


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