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Welcome to the L3 Commercial Training Solutions Customer Services Portal.

Please be advised that the address to send your parts for repair is:

HTN (please include your part return Horizon ticket number here)
L3 CTS c/o Allport Cargo Services (ACS)
Unit 3
The Faraday Centre
Faraday Road
RH10 9PX

Creating a New Horizon Account
To register to use Horizon please ask a colleague who is already registered, your CTS support manager, or CTS programme manager, to request an account for you. You will need to provide your name, job title or role, company name and location, and your business phone and email contact details. Note: You do not need to use the Horizon Access Form linked at the top of this page. Your information will be held and processed in line with our Privacy policy.

Privacy Policy
In line with the EU General Data Protection Regulation (GDPR), we have updated our Privacy Policy. This policy explains how we use your information and why it is important. At L3 CTS we have always taken the security of your data very seriously, and we want you to know that you can trust us to respect your privacy and keep your personal information safe. You can read the updated Privacy Policy, Horizon Terms of Use, and L3 CTS Conditions of Sale.

Visit our Website at L3 Commercial Aviation, Airline Solutions and our Support Portfolio at L3Harris, In-Service Simulator Support . For your parts needs visit our Simulator Lifecycle Support (SLS) Web Store.