Airborne Collision Avoidance System (ACAS II)
125.—(1)  An AOC holder must ensure that every turbine‑powered aeroplane with an MCTOM exceeding 5,700 kg or an MAPSC exceeding 19, is equipped with ACAS II.
(2)  The ACAS II provided in accordance with paragraph (1) must operate in accordance with the relevant provisions of Volume IV of Annex 10 of the Chicago Convention.