Sonar: STN Atlas CSU-90; hull mounted and flank arrays
Radar: Surface search I-band
Optics: Zeiss non-hull penetrating optronic mast
Electronic warfare & decoys
ESM: Grintek Avitronics, intercept + radar warning receiver
ELINT: Saab S/UME-100 tactical electronic support measures
Armament
8 × 21 in (533 mm) torpedo tubes,
14 AEG SUT 264 torpedoes; optional UGM-84 Harpoon integration
SAS Queen Modjadji is a variant of the Type 209 diesel-electric attack submarine developed by Howaldtswerke-Deutsche Werft (HDW) of Germany, currently in service with the South African Navy. She was named after the South African Rain Queen on 14 March 2007 by the ship's sponsor, Mrs. Rita Ndzanga, at a ceremony in Emden, Germany.[3][4]
^Lesedi, Sarah (13 April 2023). "South African Navy allocated R1.4 billion to refit fleet". Military Africa. Retrieved 12 September 2023.
^"Fact file: Heroine-class diesel-electric submarine". defenceweb.co.za. Archived from the original on 18 February 2012. Retrieved 3 October 2016.
SASQueenModjadji is a variant of the Type 209 diesel-electric attack submarine developed by Howaldtswerke-Deutsche Werft (HDW) of Germany, currently...
23 February 2023. Helfrich, Kim (24 January 2022). "End of the road for SAS Adam Kok". defenceWeb. Retrieved 23 February 2023. "Third SA Navy MMIPV to...
refit of QueenModjadji was not available, though the reported focus of the Navy was to prioritise essential maintenance and repair of SAS Manthatisi...
named SAS Manthatisi, after a chief of the Tlôkwa people, S102 is SAS Charlotte Maxeke, and S103 is SASQueenModjadji, named for the Rain Queen of the...
February 2022. "The SA Navy Proudly Welcomes SAS CHARLOTTE MAXEKE and SASQUEENMODJADJI". Archived from the original on 12 February 2012. Retrieved 7 April...
Similarly the President (Modified Type 12) class frigates SAS President Kruger, SAS President Steyn and SAS President Pretorius were also converted to carry a...
INS Ganga INS Aditya Niteroi Class frigate SAS Amatola SAS Spioenkop SAS Galeshewe SASQueenModjadji I SAS Drakensberg South Africa III 10 - 26 October...
COSCO Guangzhou 18 March Germany Howaldtswerke-Deutsche Werft Kiel SASQueenModjadji Type 209 submarine For South African Navy 29 March South Korea STX...