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 Our Purpose

 
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We believe that our number one asset is our customers and we strive to provide the best customer support possible. Our team is dedicated to assisting our customers and in meeting their professional needs.​
 

 L3 Privacy Policy

 
AnnouncementUse SHIFT+ENTER to open the menu (new window).
  
  

​ACSS Customer Support Website Has Moved!​

As of March 23, this website will no longer be updated and as of April 7, this website will cease to exist, with a redirect to the new Avionics website.   Please feel free to use this site, knowing that no updates have taken place since March 17, 2023.  

On the new website, a comparison of basic website operations has been made to aid in your familiarity.   Simply search for “Introduction” on the new website.   If you have already had an account at this website, these same product access will be found at the new site.​​


The new site is called L3Harris Avionics Technical Publications and is located at https://techpubs.cas.l3harris.com.

 

If you have an existing account on THIS site, here is what you need to do:

  1. Go to the Account Setup Page
    (https://techpubs.cas.l3harris.com/Login/ForgotPassword?isMigration=1)
  2. Enter your email address.
  3. You will receive an automated email from us. In the email, click the link to reset your password.
    (Subject = L3Harris Commercial Avionics Technical Publications – Your Authentication Code)
  4. Enter the authentication code from the email
  5. Set up a new password when prompted
If you DO NOT have an existing account on THIS site, here is what you need to do:​​

1. Go to https://techpubs.cas.l3harris.com.

2. Click on Sign Up

3. After a registration process, access will be granted for L3Harris products, including the ACSS products normally found at this site.


  

Terrain Database Version 142 for T3CAS Now Available (Twice)

The Terrain Database Version 142 is now available on the ACSS Customer Services Publications website.  

Once on the "Publications" tab, type 9100030-142W into the "Search" field and select "Go!" to access the file for download.  The file is only available to authorized users with access to TAWS related items.​​​​

Please note that at UTC 17:26 to UTC 18:18 on 15 March, the incorrect copy of the previous DB 141 was present.   This has now been corrected.

  

Terrain Database Version 182 for TAWS+ and T2CAS Now Available

The T2CAS/TAWS+ Terrain Database Version 182 is now available on the ACSS Customer Services Publications website.  

Once on the "Publications" tab, type 9100004-182W into the "Search" field and select "Go!" to access the file for download.  The file is only available to authorized users with access to TAWS related items.​​​​

  

​New Standard Rate Repair Policy

The Repair and Overhaul policy for standard repair has changed.   Please see the Publications-> General folder for more information or type Repair into the "Search" field and select "Go!" to access the file for download.

  

​ACSS Customer Support Contact Telephone Number

For any documentation concerns or urgent technical support needs, our 24/7 hotline is available at 623-445-6999. 

  

Worldwide Obstacle Database 061 is now available​

​​​Obstacle Database Version 061 is now available on the ACSS Customer Services Publications website.  Once on the "Publications" menu item, type 9100035-061W for the CF card version or 9100036-061W for the 615A version into the "Search" field and select "Go!" to access the file for download.  This file is only available to authorized users with access to TAWS related items.​​

  

ACSS Product Training cancelled for Fall 2022​

We apologize for any inconvenience this may cause.  


As an alternative, Computer Based Training is being offered.  Please search for "Computer Based Training Request" on the Publications tab of the website or look under the General folder to find the registration form.   Send this form to acss.techsupport@l3harris.com.

​

  

NOTICE TO SHIP PRODUCT TO GRAND RAPIDS FACILITY FOR REPAIRS

The repair and manufacturing facility location has changed for ACSS products in the United States.  Customers are requested to stop shipping product to ACSS R&O in Phoenix and instead ship to ACSS R&O at 5353 52nd Street SE Grand Rapids, Michigan 49512.   

 

See tab “Important Announcements” above to read the customer letter describing details of the above.   


Please note that the ACSS email found in several documents show acss.orderadmin@L-3com.com, acss.phxrepair@L-3com.com and crc.acss@l-3com.com.   These have been replaced by acss.orderadmin@l3harris.com, acss.phxrepair@l3harris.com and acss.techsupport@l3harris.com, respectively. 

​​

  

​The TAWS+ and T2CAS units are subject to a memory limitation affecting the Terrain database, where upgrades are needed by September 2021 in order to not be affected.   Unit part numbers ending in –xxx09 or less may be affected.    Please see the Publications-> General folder for more information or type 8021079 into the "Search" field and select "Go!" to access the file for download.​

  

​With ADS-B Out reports being requested and viewed more frequently, ACSS has released a guidance slide set for potential customer use.  This report introduces the FAA's Public ADS-B Performance Report (PAPR) and indicates the steps to take should a failing category(ies) occur, based on ACSS’s experience.

This guide is found in the General folder on the left panel.  

 

  

​An Airworthiness Directive (AD) was issued by the FAA (AD 2012-02-08) and by EASA (AD US-2012-02-08) against certain ACSS TCAS products. Operators of the affected ACSS TCAS Products have 36 months to comply with this AD from the effective date on March 13, 2012. March of 2015 marked the close of the compliance period. Please feel free to contact the ACSS Customer Services department for more information at (+1) 623-445-7070 or by email crc.acss@L3Harris.com.