Hi Denti.
The Channel number is selected from the NAV control panel for the ILS/GLS? Then all database information for the actual approach is held in the FMC?
That was the reason for my question. The MMR (GLU-920 I think) does not have it's own database for the Final approach fix of the GBAS (GLS) approach?
So hence, a failure of both FMC's would render GLS approach selection unavailable?
From your post I think I am on the right track. Thanks
Regards.
K--Ex.