Northrop Grumman has selected Green Hills Software’s real-time operating system for its newest GPS-modernized navigation solution designed for US military aircraft.
The company integrated Green Hills’ INTEGRITY-178 tuMP platform into the LN-351 Embedded GPS/Inertial Navigation System-Modernization (EGI-M), representing the first production delivery of the upgraded navigation suite.
EGI-M combines inertial navigation technology with an M-Code-enabled GPS receiver, allowing aircraft to maintain positioning and operational capability even in contested or disrupted satellite environments.
Powered by a quad-core ARM Cortex-A53 processor, the system leverages Green Hills’ software due to its strong safety and cybersecurity certifications.
Its partitioned architecture enables multiple applications to operate independently on the same hardware, supporting quicker software upgrades and simplified integration of third-party applications within a shared mission environment.
The first platforms to receive the system include the E-2D Advanced Hawkeye and the F-22 Raptor.
Northrop has continued advancing the EGI-M initiative as part of broader US efforts to improve resilient navigation capabilities against electronic warfare threats.
In April, the company delivered the first production unit and is now moving toward full-rate production following successful testing that dates back to 2023.
