Please report any broken links or trouble you might come across to the Webmaster. Please take a moment to let us know so that we can correct any problems and make your visit as enjoyable and as informative as possible.
NavSource Online: Amphibious Photo Archive
USS LCI(L)-670 (1944 - 1945)
International Radio Call Sign:
November - Papa - Sierra - Kilo
Awards, Citations and Campaign Ribbons
Precedence of awards is from left to right
American Campaign Medal - Europe-Africa-Middle East Campaign Medal (1) - World War II Victory Medal
USS LCI(L)-670 was transferred to Thailand, named HTMS Prap (LCI-741)
LCI-351 Class Landing Craft Infantry (Large):
Laid down, 21 March 1944, at George Lawley & Sons, Neponset, MA.
Launched, 28 March 1944
Commissioned USS LCI(L)-670, 4 April 1944
Reclassified Landing Craft Infantry (Mortar) LCI(M)-670, 5 May 1945
During World War II USS LCI(L)-670 / LCI(M)-670 was assigned to the Europe-Africa-Middle East Theater and participated in the following campaign;
Decommissioned, date unknown
Struck from the Naval Register in 1946
Custody assumed by the State Department, 5 October 1946
Transferred by the State Department to Thailand in 1946
Commissioned into the Royal Thai Navy as HTMS Prap (LCI-741), date unknown
Final Disposition, fate unknown
USS LCI(L)-670 received one battle star for World War II service
Europe-Africa-Middle East Campaign
|Campaign and Dates
|Invasion of southern France, 15 August to 16 September 1944
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(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(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
|Click On Image
For Full Size Image
| USS LCI(L)-670
||LCIs moored at Bizerte, Tunisia, circa May 1944. From left to right front row:
LCIs left to right back row:
Four unidentified LCIs
|Photo by Robert W. Van Keuren CO USS LCI(L)-665
||Members of the 30th Inf., 3rd Div. board LCI(L)s, 24 July 1944, near Naples, Italy, for a practice landing in anticipation of the coming Invasion of southern France in August of 1944.
Recognizable ships are from right to left:
USS LCI(L)-587 and
US National Archives photo # III-SC-192675, Box 222, a US Army Signal Corps photo by Cuca 163rd Signal Photo Company, US Army Signal Corps.
||3rd Inf Div. troops disembark from USS LCI(L)-670,
USS LCI(L)-673, and two unidentifiable LCIs in the distance, during practice landing operations in the Formta area of Italy, 31 July 1944, prior to the invasion of southern France in August 1944.
US National Archives photo # III-SC 192677, Box 222, a US Army Signal Corps. photo now in the collection of the US National Archives.
| HTMS Prap (LCI-741)
||Ex-LCI(M)-670 in Royal Thai naval service as HTMS Prap (LCI-741) underway, circa 1950, location unknown.
||Decommissioned Royal Thai Navy LCIs Prap (LCI-741) (inboard) and HTMS Sattakut (LCI-742) [ex-LCI(G)-739)] (outboard) moored pierside at the Royal Thai Navy Dock Yard Phachunlachomklao, 12 January 2008.
||Photo by Nye Nava
The history for LCI(L)-670 / LCI(M)-670 is from USS LCI "Landing Craft Infantry", Vol. II. Paducah, Kentucky: Turner Publishing Company, © 1995. (ISBN 1-56311-262-0)
Crew Contact And Reunion Information
U.S. Navy Memorial Foundation - Navy Log
Additional Resources and Web Sites of Interest
USS Landing Craft Infantry National Association
Sinking of ex-USN LSM-333 and ex-US LCI(M)-670 by Thai Navy YouTube video
Last Updated 30 January 2015
This page is created by David W. Almond and maintained by Gary P. Priolo|