- 2 * SEMT Pielstick 12PA6 diesel
- Type 360 air/surface search radar,E/F band
- Type 348 fire control radar for main gun
- Kelvin Hughes SharpEye I-band (X-band) radar
- Kelvin Hughes SharpEye E/F-band (S-band) radar
- 1 * H/PJ-26 76 mm main gun
- 2 * H/PJ-17 30 mm gun turret
- 2 * 2 cell C-802A anti-ship missiles
- 1 * 8 cell FL-3000N
- 2 * 6-tube Type-87 ASW rocket launchers
BNS Prottoy is a Type 056 stealth surface warfare guided missile corvette of Bangladesh Navy. She was built at Wuchang Shipyard of China. She is the second corvette of the class for the Bangladesh Navy. The ship is serving the Bangladesh Navy since 2016.
BNS Prottoy was launched at Wuchang Shipyard, China on 30 December 2014. The ship was handed over to the Bangladesh Navy on 11 December 2015. She reached Chittagong, Bangladesh on 10 January 2016. On 19 March 2016, she was commissioned to Bangladesh Navy.
Due to inclement weather in the Bay of Bengal, six fishing trawlers of Bangladesh with 90 fishermen entered into Indian waters with their boats damaged. On 21 August 2016, BNS Prottoy and her sister ship BNS Shadhinota were sent to rescue them.
The ship participated in the Langkawi International Maritime and Aerospace Exhibition LIMA-2017 held between 22 and 25 March 2017. She left for Malaysia from Chittagong on 13 March 2017. On her way to Malaysia, she visited the port of Yangon in Myanmar from 15 to 18 March 2017. She visited the port of Phuket from 26 to 29 March 2017 on her way back home. She came back home on 1 April 2017.
BNS Prottoy took part in international fleet review arranged to celebrate 70th anniversary of People's Liberation Army Navy from 22 to 25 April 2019. She left Bangladesh for China on 29 March 2019. On the way to China, she visited the Lumut Port of Malaysia from 2 to 5 April 2019 and Saigon Port of Vietnam from 8 to 11 April 2019.