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Goldrick 1997, p. 148. - Goldrick, R. Adm James (1997). "Pakistan Navy: 1947–71". No Easy Answers: The Development of the Navies of India, Pakistan, Bangladesh, and Sri Lanka, 1945-1996 (PDF) (1st ed.). Surrey, Eng.: Lancer Publishers. ISBN 9781897829028. Retrieved 15 September 2018 – via Australian Navy. http://www.navy.gov.au/sites/default/files/documents/PIAMA02.pdf
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Two Type 21s had been lost in the 1982 Falklands War
/wiki/Falklands_War
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