Advent eABS $3K Rebate For King Air, PC-12 Here is something that will interest owners and operators of King Air and Pilatus PC-12 aircraft. Advent is offering a $3,000 rebate on their eABS (Anti-Braking System) for the aforementioned aircraft types. It is being offered for the Beechcraft King Air B200 and B300 and of course the PC-12 from Pilatus. The rebate runs through to the end of October. Actually the promotion starts tomorrow, 1st of September.