[2] According to the Conway's All The World's Fighting Ships, Iran assembled a midget in Bandar Abbas that was completed in 1987 in an unsuccessful attempt.

[3] An unclassified 2017 report by the U.S. Office of Naval Intelligence stated that Iran purchased at least one Yono class submarine from North Korea in that year.

[4] In May 2005, Iran announced that it has started mass production of its own indigenous midget submarines, and aired footage of one cruising at sea level on television.

[5] In November 2007, commander of the IRIN Commodore Habibollah Sayyari said the second ship in the class has been completed after ten years of construction.

[6] Iranian supreme leader Ali Khamenei was quoted saying to Iran's navy commanders on the day the submarine was launched: "Today, you have been able to design and build many of the military requirements.

[16] Vijay Sakhuja, director of the National Maritime Foundation, comments that the class is "[the] most difficult to detect particularly when resting on the seabed and this could be the possible tactics that the Iranian Navy could employ during hostilities.

[17] According to U.S. Navy Captain Tracy A. Vincent, Ghadir submarines can provide additional surveillance capability and create a new layer of defense for Iranian naval forces.

[20] Mark Episkopos opines that Ghadir submarines maintain "strong offensive capabilities" that contribute to the "dangerous" subsurface fleet of Iran.

[24] According to 2020 edition of the Military Balance published by the International Institute of Strategic Studies (IISS), Iran operates 14 submarines in this class.