Its still LHTEC CTS800. A few years later the TEI TS1400 engine will be integrated. The major differences between Phase I and Phase II are at the FLIR payload and at EW Self-Protection Suit. At Phase II T129Bs contrary to AselFLIR-300T EO/IR Targeting System new generation CATS (Common Aperture Targeting System) Reconnaissance, Surveillance and Targeting System will be deployed. The CATS, which weighs 60kgs is lighter than the AselFLIR-300T weighing 120kgs. While the T129As and T129B Phase I helicopters are equipped with only AN/ALQ-144 IRCM, CMDS and MWS-TU Missile Warning System (MWS) sensors the Phase II T129Bs will also feature Radar Warning Receiver (RWR), Radio Frequency Jammer (RFJ), Laser Warning Receiver (LWR) and 9681 V/UHF Radio sets.