L3Harris Commercial Aviation Solutions (CAS) is now known as Acron Aviation.

GH-4001 Electronic Standby Instrument System (ESIS)

The GH-4001 Electronic Standby Instrument System (ESIS) represents the next generation of standby technology for the demanding needs of high-performance military aircraft, including ruggedized helicopter environments.

The Acron Aviation GH-3900 Electronic Standby Instrument System
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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.

Key features

Sunlight readable active-matrix liquid crystal display (AMLCD) with LED backlight

The unit 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 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

GH-4001

Weight and power

  • 2.9 lb. max (1.32 kg)
  • 10 W nom., 22 W max

Qualifications

  • MIL-STD-810
  • MIL-STD-461
  • MIL-STD-704
  • MIL-STD-3009

GH-4001 Repeater Display

Weight and power

  • 2.3 lb. max (1.04)
  • 7 W nom., 16 W max

Qualifications

  • MIL-STD-810
  • MIL-STD-461
  • MIL-STD-704
  • MIL-STD-3009

Customer support

Aircraft on ground: Immediate support

We have a global network of support centers to support customers with aircraft on the ground issues.

Technical pubs, repairs and spares

For the latest technical publications and contact details for our repairs and spares depots.

Related services

SkyParts Global offers direct access to high quality, OEM-reliable parts and out-of-production aerospace equipment as Used Serviceable Material. We also have hundreds of global dealers selling avionics for business and general aviation platforms, as well as helicopters. Our authorized network is committed to providing the absolute best product sales support.

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