Landing ship, infantry

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For the United States Navy LSI class created in 1949, see Landing Craft, Infantry.
LCAs leave HMS Rocksand for the island of Nancowry in the British occupation of the Nicobar Islands, October 1945

Landing Ship, Infantry (LSI) was a British term for a type of ship used to transport infantry in amphibious warfare during the Second World War.

An LSI would take its cargo of infantry close to the target area. The troops would then transfer to landing craft, such as the Landing Craft, Assault, for the journey to the beach. A small LSI would be around 3,000 gross registered tons and could carry up to 800 troops. The largest LSI(L) could carry 1,800 troops and would need 20 or so landing craft for that number.

An LSI was generally a converted cross-channel ferry, a similar ship of that size[1] or a converted passenger ship.[2]

Conversion was accomplished by adding davits for the landing craft plus some defensive armament, such as QF 12 pounder 12 cwt naval guns, and anti-aircraft guns, such as the 20 mm Oerlikon cannon.

The Attack Transport (APA) was the US Navy's equivalent of the LSI during World War II.

Post-war, the US renamed their Landing Craft, Infantry as "Landing Ship Infantry" - these were vessels that could beach and carried around 200 troops.

Ship designations[edit]

LSI(S) Landing Ship, Infantry (Small)
LSI(M) Landing Ship, Infantry (Medium)
LSI(L) Landing Ship, Infantry (Large)
LSI(H) Landing Ship, Infantry (Hand-hoisting)


See also[edit]


  1. ^ "The Heritage Coast: Landing Craft". 2003. Retrieved 13 February 2011. 
  2. ^ Mason, Geoffrey B. (2010). "HMS Royal Scotsman, LSI(L)". Retrieved 13 February 2011. 
  3. ^ "SS EL HIND". 2011. Retrieved 13 February 2011. 
  4. ^ "HMS Nemesis". 2011. Retrieved 13 February 2011. 
  5. ^ Groenenberg, Joanne (24 November 2004). "Maritime and Coastguard Agency - Press Releases". Retrieved 13 February 2011. 

External links[edit]