How to create CMAX Key Code and Download Jeppesen Charts through JDM **January 2022 - update** If the CMax key code has comma's (see below), this is invalid, use the AviUtility.exe attached to generate a valid CMax key code. Charts for the EX5000 MFD's require a CMAX Key Code. Below information applies only t…
9/9/2025 - Updated The CMax Key Code Generator is not accessible at this time. Pilots and shops who need the CMax code will need to [email protected] . Required material: MFD Serial Number JDM 16-digit Serial Number To find the Jeppesen 16-digit Serial Number for the charts, please login to your JDM …