Military Embedded Systems

INTEGRITY-178 tuMP RTOS selected by Army for Improved Data Modem program


November 12, 2020

Emma Helfrich

Technology Editor

Military Embedded Systems

U.S. Army photo.

SANTA BARBARA, Calif. Green Hills Software, company specialzing in high-assurance operating systems, announced that its INTEGRITY-178 Time-Variant Unified Multi-Processing (tuMP) RTOS was selected by the U.S. Army for the operating system upgrade to the Improved Data Modem (IDM-401) program.

The primary factor in the selection of INTEGRITY-178 tuMP was the low-risk path for the delivery of its DAL-A certification artifacts on a multicore architecture for the IDM processor. According to the company, other key factors included the built-in multicore interference mitigation and the ability to utilize all available cores in an efficient, optimal and bounded manner.

The IDM-401 is the common solution for digitizing Army Aviation and is fielded on every modernized, rotary-wing Army aircraft, including the CH-47 Chinook, AH-64 Apache, and UH-60 Black Hawk.

The IDM is designed to enable connectivity to multiple radios used by rotary-wing aircraft and the Blue Force Tracker transceiver, as well as providing the means for data transfer. The program supports Open Systems Architecture (OSA), Future Airborne Capability Environment (FACE™), and Common Operating Environment (COE) standards and interoperability.


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Green Hills Software, Inc.

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Santa Barbara, California 93101