 These forward pair were designed to fire L3 ASW homing torpedoes and the aft pair, either L3 torpedoes or K2 anti-ship torpedoes.The ships were equipped with French sonars DUBV 1 and DUBA 1 mounted on the hull.They were intended to have a British-pattern lattice mast, but had twin tripods with lattice installed carrying a DRBV 11 surface and air search radar.