> That sounds like a system that was bound to fail, because it was kept limited to a certain range of capabilities. You're always going to be limited to a limi

> That sounds like a system that was bound to fail, because it was kept limited to a certain range of capabilities. You're always going to be limited to a limited range of capabilities. You can't run a full web browser in every cockpit - you need a standardized interface that works across different vendors, across borders, and over a low-bandwidth radio link. And I don't think anybody considers CPDLC a failure. The goal was never to 100% replace voice communication. > One can easily imagine a system that broadcasts the weather That exists, it's called FIS-B. Everyone uses it. > and clearance Clearance isn't something that can just be broadcast. You need to have a conversation with the pilot to make sure the clearance is acceptable to them. The pilot needs the ability to reject the clearance and request amendments. > even aircraft location data close to real-time, and provide great situational awareness to everyone involved. This exists, it's called ADS-B. Everyone uses it.