Honeywell announced that Bell Textron Inc. has chosen Honeywell’s 36-150 auxiliary power unit (APU) and the Honeywell Attune thermal management system for the U.S. Army’s Future Long-Range Assault Aircraft (FLRAA). The decision supports Honeywell’s focus on advancing aviation technology.
The 36-150 APU provides a secondary source of electrical and hydraulic power, which is intended to improve mission readiness and operational flexibility for aircraft. The Honeywell Attune system offers lightweight, low-maintenance, and energy-efficient cooling for cabins and electronic components, tailored to meet FLRAA requirements.
“FLRAA will deliver new long-range high speed transport capabilities to the U.S. Army helping to ensure force readiness against emerging threats,” said Rich DeGraff, president, Control Systems, Honeywell Aerospace Technologies. “We are confident that our proven 36-150 APU and Honeywell Attune system will exceed the expectations of the Army throughout the FLRAA contract and subsequent active-duty service that will last beyond 2050. Honeywell looks forward to continuing to serve the Army on their future vertical lift fleet.”
The selected APU is based on a model with a track record in both commercial and military settings; over 10,000 units have been delivered since its introduction, serving more than 20 applications including UH-60 Black Hawk and AH-64 Apache helicopters currently used by the Army.
Honeywell Attune builds on decades of experience with air cycle systems. According to company information, it is up to 35 percent lighter and 20 percent more efficient than conventional cooling systems with similar capacity. The system uses Solstice zd refrigerant for reduced environmental impact.
Honeywell states that its products are present in many types of aircraft as well as terrestrial systems worldwide. The company operates across several business segments such as aerospace technologies, industrial automation, building automation, and energy solutions.
For additional details about Honeywell’s activities or product offerings: https://www.honeywell.com/us/en



