Nick I suspect the reason Airbus is emphatic about keeping the discontinuity is different than simply a matter of not needing to because you end up getting the GS mini function . In the FCTM is states to keep the discontinuity so you don’t really see the emphasis much . In a 2011 article in the Airbus FAST magazine about circling approaches it states this again and is emphatic about it ( it has it in bold letters ) . When Airbus is emphatic about something is more of a tactical / system related reason. It is more actually from this article that I started asking