PNS Munsif (M166) (formerly Sagittaire (M650)) is the lead ship of the Munsif-class minehunter currently in service with the Pakistan Navy.

[4] Sagittaire was laid down in 1988, and launched on 9 November 1988 by its builder by French DCNS in Lorient Naval Yard in France.

[4] Her design was based on the Tripartite-class minehunter, a joint venture by Belgium, France and the Netherlands, and was commissioned as Sagittaire (M 650) into the French Navy on 27 July 1989.

: 154 [8] The French Navy offered to sell Sagittaire which was immediately acquired through a quick payment transaction took place between the two countries in 1992.

[9] Upon reporting to its homeport, the Karachi Naval Base, she was commissioned in the service of Pakistan Navy as Munsif on 26 October 1992[3] and went through the refitted modernization at the Karachi Naval Base according to the specifications required by the Pakistan military, including the installation and engineering of the flight deck to accommodate the Aérospatiale Alouette III helicopter.