[3] On 14 April 2014, KDB Darulehsan set sail to Qingdao, China, for 'Western Pacific Naval Symposium 2014' (WPNS 2014).

[2] On 30 April 2014, KDB Darulehsan arrived at Haiphong, Vietnam, for a goodwill visit and to enhance diplomatic ties between the two countries.

[4] KDB Darulehsan (commanded by Lt Col (L) Willie Padan), KDB Ijtihad, KD Selangor, and KD Ganas attended Exercise Hornbill 24/2014 in Brunei from 18 to 24 November 2014, hosted by both the Royal Brunei Navy and the Royal Malaysian Navy.

[9] KDB Darulehsan, captained by Commander Saiful Hazril bin Ali with a ships' complement of 67 crew, took part in the ASEAN-India Maritime Exercise (AIME) 2023 in the South China Sea, a fourteen-day deployment starting on 27 April 2023.

'ASEAN Solidarity Exercise in Natuna (ASEX-01 N) 2023' was hosted by the Indonesian Navy, and started with a harbour phase at Batam on 18 September 2023, and was conducted at various locations across the Riau Archipelago.