The Sigma-class corvette is a Dutch-built Navy vessel designed for export to other countries. It is a corvette or frigate with ocean capabilities.

The basic design of the Sigma Patrol Series can vary as the hull segments are designed as components. Ships can vary in the number of hull segments and in the order in which they are placed. Sigma stands for Ship Integrated Geometrical Modularity Approach. The ship's main dimensions are named in the types itself, SIGMA 9113 stands for 91 meters long and 13 meters wide, same is with the SIGMA 10513, 105 meters in length and 13 meters wide.

The design was derived from the earlier High Speed Displacement hull form by MARIN Teknikk AS in the 1970s.

Unit Run[edit | edit source]

Indonesia[edit | edit source]

  • KRI Diponegoro (365)
  • KRI Sultan Hasanuddin (366)
  • KRI Sultan Iskandar Muda (367)
  • KRI Frans Kaisiepo (368)
  • KRI Unnamed (369)
  • KRI Unnamed (370)

Morocco[edit | edit source]

  • Tarik Ben Ziyad (613)
  • Sultan Moulay Ismail (614)
  • Allal Ben Abdellah (615)

Philippines[edit | edit source]

  • BRP Unnamed
  • BRP Unnamed
  • BRP Unnamed
  • BRP Unnamed
  • BRP Unnamed
  • BRP Unnamed

Vietnam[edit | edit source]

  • Unnamed
  • Unnamed
  • Unnamed
  • Unnamed
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