Originally Posted by
Kennytheking
It should also be pointed out that if the BTV system is unhappy with anything, it automatically reverts to Autobrake Hi. Specifically there have been issues after experiencing GPS jamming. Most crew would disconnect the autobrake after a couple of seconds when it has reverted to Hi. This could account for the vicious braking, followed by the more normal braking.
Yes I can attest to that. Regular occurrence in to Incheon for example.