Contact L3 Aviation Products

Thank you for visiting the L3 Aviation Products website. We value your interest and our goal is to be respectful of your time and to respond to your inquiry in the most efficient way possible. Please fill out the adjacent form or contact one of our divisions directly.

Real-Time AOG and Product Support

If you have an aircraft-on-ground (AOG) situation or require real-time support with any of our products, please visit our Product Support page or call our centralized Help Line: 1-855-532-7746

You can also send an email to:


5353 52nd Street SE
Grand Rapids, Michigan 49512

Toll-Free: +1 (800) 253-9525
Phone: 616-949-6600

1355 Bluegrass Lakes Parkway
Alpharetta, Georgia 30004

Phone: +1 (770) 752-7000

100 Cattlemen Road
Sarasota, Florida 34232

Phone: +1 (941) 371-0811

2081 Merivale Road
Ottawa, Ontario K2G 1G9

Phone: +1 (613) 727-9876 x107

ACSSr-4C 2017

19810 North 7th Avenue
Phoenix, Arizona 85027

Phone: +1 (623) 445-7000

ACSS is a joint venture company of L3 & Thales. ACSS is responsible for the design, manufacture, and support of all our products, and handles sales to our regional airline, business aviation, general aviation and military customers. Thales Avionics is the exclusive sales and support agent of ACSS products to Commercial Air Transport customers operating Airbus and Boeing aircraft. For more information on Thales Avionics, please visit