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HTMS Sattakut (LCI-742) Shipwreck on Koh Tao

Koh Tao, Thailand

Big Blue Tech observed the Thai navy sink one of their own ships today on Koh Tao to provide an artificial reef and wreck diving resource just off the shore from our resort.

The HTMS Sattakut was origionally owned by the US Navy. During World War II USS LCI(L)(G)(M)-739 was assigned to the Asiatic-Pacific Theater and participated in the assualt and occupation of Iwo Jima and Okinawa in 1945.

Plans to dive the new wreck are already underway with undoubtedly hundreds of divers just waiting for the conservation society to finish counting the sea stars and let us have at it. We’re expecting a chance to dive it within the week.

The ships unique bow design allowed troops to assault beaches in the security and shelter of it’s forward guns and Armour. This gives the wreck an unusual appearance.

Specifications:
Displacement 246 t.(light), 264 t. (landing), 419 t.(loaded)
Length 158′ 5½”
Beam 23′ 3″
Draft Light 3′ 1½” mean, Landing, 2′ 8″ forward, 4′ 10″ aft, Loaded, 5′ 4″ forward, 5′ 11″ aft
Speed 16 kts (max.), 14 kts maximum continuous
LCI(L) Complement 4 Officers, 24 Enlisted
LCI(G) Complement 5 Officers, 65 Enlisted
LCI(M) Complement 4 Officers, 49 Enlisted
LCI(L) Troop Capacity 6 Officers, 182 Enlisted
LCI(L) Cargo Capacity 75 tons
Armor 2″ plastic splinter protection on gun turrets, conning tower and pilot house
Endurance 4,000 miles at 12 kts, loaded, 500 miles at 15 kts; and 110 tons of fuel
LCI(L) Armament five single 20mm guns, one bow mounted, one each port and starboard forward of wheelhouse, one each port and starboard aft of wheelhouse, on some LCIs two .50 cal machine guns were added
LCI(G) Armament two 40mm guns, four 20mm guns, six .50cal machine guns, 10 MK7 rocket launchers
LCI(M) Armament one single 40mm gun, forward, four 20mm guns, three 4.2mm chemical mortars mounted in three 4ft x 4ft wooden walled 2″ x 6″ high sand boxes on the well deck with the three tripod mortar tubes in position to fire forward over the bow, No. 2 Troop Compartment (under well deck) converted to a magazine
Fuel Capacity 130 tons, lube oil 200 gal.
Propulsion two sets of 4 GM diesels, 4 per shaft, BHP 1,600, twin variable pitch propellers

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