Duncan Passage Explained

Duncan Passage
Pushpin Map:	Bay of Bengal
Pushpin Label Position:	left
Pushpin Map Caption:	Location in the Bay of Bengal.
Coordinates:	11.0333°N 127°W
Type:	Channel
Part Of:	Indian Ocean

Duncan Passage is a strait in the Bay of Bengal. It is about 48km (30miles) wide; it separates Rutland Island (part of Great Andaman and South Andaman administrative division) to the north, and Little Andaman to the south. West of Duncan Passage is the Bay of Bengal; east is the Andaman Sea. It lies within the exclusive economic zone of India protected by the integrated tri-services Andaman and Nicobar Command of Indian Military.

It sits between The Sisters island off South Andaman Island and North Brother Island off Little Andaman with a minimum depth of 21.9 m.^{[1] [2]}

Manners Strait is the branch of Duncan Passage that lies between North Cinque Island and Rutland Island.

Islands along Duncan Passage

Several small islands and islets lie along the passage. North to south, they are:

• North Cinque Island
• South Cinque Island
• Passage Island
• The Sisters
• North Brother Island
• South Brother Island

Nearby major channels and straits

In Andamans

• Cocos Strait
• Ten Degree Channel
• Duncan Passage
• Six Degree Channel^[3]

Outside Andaman

• Palk strait
• Malacca Strait
• Singapore Strait^[4]
• Sunda Strait^{[5] [6] [7]}
• Lombok Strait^{[8] [9] [7]}

Notes and References

1. Prashant sharma,Geography FAQ: for SSC, Bank PO, Railway, UPSC exams and CDS, page 8.
2. 2002, Sailing Directions (enroute) for India and the Bay of Bengal
3. Mohor Chakraborty and Tridib Chakraborti, 2020, India's Strategy in the South China Seabooks.
4. News: СИНГАПУРСКИЙ ПРОЛИВ - это... Что такое СИНГАПУРСКИЙ ПРОЛИВ?. Словари и энциклопедии на Академике. 2018-07-29. ru.
5. "Sunda Islands". Concise Dictionary of World Place-Names. John Everett-Heath. Oxford University Press 2005. Oxford Reference Online. Oxford University Press.
6. Donald B. Freeman, The Straits of Malacca: Gateway Or Gauntlet?. McGill-Queen's Press, 2006.
7. http://www.cm-soms.com/uploads/2/72/CF4.3.3%20The%20Designation%20of%20Routeing%20Measures%20in%20Lombok%20and%20Sunda%20Straits%20(Indonesia).pdf The designaiton of routing measures in Sunda and Lombok Straits
8. Ocean Internal Waves Observed in the Lombok Strait . Susanto . R. Dwi . Leonid Mitnik . Quanan Zheng . Oceanography . 18 . 4 . 83 . https://web.archive.org/web/20111009174634/http://www.tos.org/oceanography/issues/issue_archive/issue_pdfs/18_4/18.4_susanto_et_al.pdf . December 2005 . 10.5670/oceanog.2005.08 . 9 October 2011 . 16 May 2008 . dead .
9. https://www.c3sindia.org/defence-security/indias-strategic-dimensions-in-malacca-strait-by-vithiyapathy-p/ India’s Strategic Dimensions in Malacca Strait By Vithiyapathy Purushothaman