Yes, HDM products have met all of the FAA requirements for in-flight use. There is a reference regarding this in the Z1™ User Manual. There is also a downloadable version of the FAA Compliance letter available on our website at www.hdmusa.com that is useful when taking your Z1™ on a commercial flight. Just hover on the Support Tab and click on Software and User Guides to locate the FAA Compliance Letter.
Below is a copy of the FAA Compliance Letter for the Z1™, for your convenience.