ACSS Surveillance Systems Used by Boeing to Equip B777 ecoDemonstrator Aircraft

PHOENIX, April 13, 2018 – ACSS, an L3 and Thales company, announced today the selection by Boeing of its surveillance systems for the ecoDemonstrator aircraft, a FedEx Express-operated 777 Freighter being flight tested in 2018 with 100 percent biofuel.

“ACSS is supporting the Boeing 777 ecoDemonstrator evaluation, providing two new state-of-the-art functions. Utilizing ACSS’s surveillance systems, the first function is Boeing’s turbulence prediction algorithm to evaluate its capability to provide flight deck wake turbulence advisories,” said Terry Flaishans, President of ACSS. “The second surveillance function includes testing that aligns with the FAA (Federal Aviation Administration) and RTCA (Radio Technical Commission for Aeronautics) development of the Next-Generation (NextGen) Traffic Alert and Collision Avoidance System (TCAS), as part of the development of the Airborne Collision Avoidance System (ACAS X) standards.”

ACSS’s surveillance technologies on the ecoDemonstrator are designed to enhance the safety of flight as well as provide navigation aids, more efficient route management, and fuel optimization. ACAS X is designed as an enhancement to the current TCAS II system to improve safety, reduce nuisance alerts and support commercial jetliners, helicopters, General Aviation (GA) aircraft, and new platforms in Unmanned Aircraft Systems (UAS).

Boeing’s ecoDemonstrator program, which began in 2012, uses flight testing to accelerate technologies that can reduce emissions and noise, improve airlines’ gate-to-gate efficiency, and meet other technology innovation goals.

About ACSS
Aviation Communication & Surveillance Systems (ACSS), 70 percent owned by L3 and 30 percent owned by Thales, is a joint venture managed by L3’s Commercial Aviation Solutions sector. ACSS designs and manufactures products for all aircraft and helicopter segments, and supports products for air transport and regional airlines, business aviation, and helicopter, General Aviation (GA) and military aircraft operators. ACSS produces avionics systems that increase safety, situational awareness and efficiency for commercial and military flight operators. More than 75,000 ACSS products are operating in commercial, corporate and military aircraft. Thales Avionics is the exclusive air transport sales and support agent of ACSS products. For information about ACSS, visit For information about Thales Avionics, visit

About Thales
Thales is a global technology leader for the Aerospace, Transport, Defence and Security markets. With 65,000 employees in 56 countries, Thales reported sales of €15.8 billion in 2017. With over 22,000 engineers and researchers, Thales has a unique capability to design and deploy equipment, systems and services to meet the most complex security requirements. Its exceptional international footprint allows it to work closely with its customers all over the world.

About L3 Technologies
Headquartered in New York City, L3 Technologies employs approximately 31,000 people worldwide and is a leading provider of a broad range of communication, electronic and sensor systems used on military, homeland security and commercial platforms. L3 is also a prime contractor in aerospace systems, security and detection systems, and pilot training. The company reported 2017 sales of $9.6 billion. To learn more about L3, please visit the company’s website at

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