installing up to two single-round FL-3000N launchers on each existing CIWS gun mount. The Harbin Z-9EC anti-submarine warfare (ASW) helicopter is equipped with a surface-search radar, low frequency dipping sonar, radar warning receiver, doppler navigation system and armed with torpedoes. The helicopter can be armed with one torpedo on the starboard side. A small antenna on the roof may provide a data-link, allowing the Z-9 to act as a relay for targeting data between the ship and long range anti-ship missiles such as the C-802. Ships in class Deployments War on Terror Afghan war and Yemen conflicts The lead warship, PNS Zulfiquar, has been deployed on operations in the War on Terror. She was attacked by AQIS-affiliated militants and rogue Pakistan Navy personnel who attempted to capture the ship and use it to attack US Navy vessels on 6 September 2014. The attack was foiled by Pakistan's Navy SEALs Teams. The attackers had intended to use Zulfiquars anti-ship missiles to attack the United States Navy Fleet in the Arabian Sea. Ten militants which included four rogue ex-Pakistani navy personnel were killed by Pakistani forces in their efforts to foil the capture attempt. Four other officers who were involved but who did not participate in the attack were later apprehended. Gallery PNS Zulfiquar (251), lead ship of the Zulfiquar-class frigates, during a visit to Port Klang, Malaysia, on 27 August 2009: References External links Defense News – Pakistan Gets New Chinese Frigate (7 April) Defense News – China Delivers Frigate To Pakistan: Navy (30 Jul 2009) Business Recorder – Talks on with Germany, US for subs and frigates: F-22P Frigate arrives from China (13 September 2009) Frigate classes Frigates of Pakistan Ships built in Pakistan Ships built in China China–Pakistan military relations 2009 in Pakistan