The two ships constitute the Royal Malaysian Navy's 22nd Corvette Squadron, their homeport being Lumut.

Their homeport is Lumut at the west coast of the Malayan Peninsula, facing the Strait of Malacca and the Indian Ocean.

[2] The SLEP modernisation comprised extensive changes to the original configuration of the ships, aimed at both extending their service life as well as improving combat capabilities.

[3] Other sources state that the ships had been equipped with MM40 Block II missiles straight from the beginning.

[2] The Kasturi class has a helideck aft suitable for the Royal Malaysian Navy's Super Lynx 300 and Fennec helicopters.

[3] KD Lekir remained in active duty until the SLEP work on her began in October 2011 and was completed in November 2014.

[3] Despite the work being incomplete on KD Lekir at that time, both ships participated in the search for the missing Malaysia Airlines Flight 370 in March 2014.