The ARINC Help Desk is located in Annapolis, MD and is available 24x7. For issues of an urgent nature, contact us via the toll free number listed below. For those concerns that can be addressed during normal business hours, please send an email to one of the email addresses listed below. For emails, please include a brief description of the problem and your contact information.

Phone: +1 (800) 633-6882

Email: cass_support@arinc.com for CASS problems.

Email: KCMsupport@arinc.com for CrewPASS/KCM problems.