Originally Posted by
underfire
The 777 is capable, and has been for a while, so are the 737 variants, and of course, the 787 series. From what I understand, all ac currently produced by B have the MMR GLS capable installed.
Only the newer 777s without the tail skid, basically requires the MMR to be upgraded to GLU-925 and AIMS upgraded to block point 17. Not aware of non 737NGs being capable, 767s and 747-400 are not capable.