Type L6 class ship

Class overview

Name:	Type L6 ship
Builders:	American Ship Building Company and Great Lakes Engineering Works
Built:	1943 (U.S. shipyards)
In service:	1943 –
Completed:	16
Active:	3
Lost:	0
General characteristics
Class and type:	Maritimer class - L6
Tonnage:	15,825 DWT
Length:	620 ft 0 in (188.98 m) (design)
Beam:	60 ft 0 in (18.29 m) (design)
Depth:	35 ft 0 in (10.67 m) (design)
Installed power:	2,500 shp triple expansion steam engine
Propulsion:	Two coal-fired water tube boilers

The Type L6 ship is a United States Maritime Administration (MARAD) designation for World War II as a Great Lakes dry break bulk cargo ship. The L-Type Great Lakes Dry Bulk Cargo Ships were built in 1943 for World War II. The ships has a 15,82 deadweight tonnage. The L6 ships were built by two companies: American Ship Building Company and Great Lakes Engineering Works,Ashtabula, Ohio/ Great Lakes Engineering Works, River Rouge, Ohio that built the type L6-S-B1 and American SB that built the class L6-S-A1. Steel supply needed for World War was great. To supply iron ore from Lake Superior to steel foundries, the United States Commission had a series of L6 Lakers ship built. The Maritime Commission ordered ten Great Lakes Bulk Carriers of the L6-S-B1 type. The L6-S-B1 was design with a 3-cylinder triple expansion steam engines. The L6-S-A1 used a lentz 4-zylinder compound engines. All L6 ships were coal burning and delivered between May and November 1943. ^[1] L6-S-B1 was built for the US Maritime Commission under USMC contract MCc-1834 in 1943 at the River Rouge yard. Each L6 ship cost $2.265 million. The fist L6-S-B1 was the SS Adirondack/Richard J. Reiss, hull 290, keel was laid on March 9, 1942 and launched on September 19, 1942.^[2]

Specifications

Dimensions: 620 feet
Beam 60 feet
GRT 9057
NRT 6793
Dwt 15,800
Two coal-fired water tube boilers.
L6-S-A1 type had Lenz 4 cylinder compound steam engine
L6-S-B1 type had a 2,500 shp, 3 cylinder triple expansion steam engine

^[3]^[4]

Ships in Class

L6-S-A1 Maritimer" class
- Thomas Wilson Hull#826 USMC #565, Sank in Sank 1987.
- Sewell Avery Hull#827 USMC #566
- J. Burton Ayers/Cuyahoga Hull#828 USMC #567 Converted iesel 3,084 bhp in 1999^[5]
- E. G. Grace Hull#829 USMC #568
- Belle Isle/Champlain Hull#1009 USMC #569
- John T. Hutchinson Hull#1010 USMC #570

L6-S-B1 Maritimer" class
- Adirondack/Richard J. Reiss/Manistee Hull#290 USMC #579 Converted to 2,950 horsepower diesel engine in 1976^[6]
- Lake Angelina/Cadillac Hull#291 USMC #580
- Hill Annex/George A. Sloan Hull#292 USMC #581 Converted in 1984 to 4,500 bhp 12-cylinder diesel engine
- Pilot Knob/Frank Armstrong Hull#522 USMC #582
- Clarence B. Randall Hull#523 USMC #583
- McIntyre/Frank Purnell Hull#293 USMC #584
- Robert C. Stanley Hull#294 USMC #585

Active

The Cuyahoga (former: J. Burton Ayers), Manistee (former: Adirondack/Richard J. Reiss) and Mississagi (former Hill Annex/George A. Sloan) are still active on the lakes.^[7]

Notable incidents

SS Thomas Wilson After worked on the Lakes from 1943 to 1987. She was sold for scrap to Corostel Trading Co. of Montreal, Que. Canada in September of 1987. Tugs were towing her to Taiwan for scrapping. On December 21, 1987 they hit a storm in the Atlantic Ocean and the towline broke. The Thomas Wilson sank 250 miles northeast of Bermuda, ^[8] sank near 34 08'N by 61 35'12"W.^[9]
SS Sewell Avery was sold 1986 to A. B. McLean Ltd., she was sunk in May of 1987 to be used as part of a dock at Sault Ste. Marie, Ontario. ^[10]

References

World War II Maritime Commission ship designs
Cargo designs	Type C1 Type C2 Type C3 Type C4 Type C5 _{(Type C6)}
Emergency cargo	Liberty ship ("EC2-S-C1") Victory ship ("VC2-S-AP1")
Tanker	T1 tanker T2 tanker T3 Tanker
Special-Purpose	Type S1 ("Derrick Barge") Type S2 ("Tacoma-class frigate") Type S3-S2-BP ("Landing Ship, Tank") Type S3-S2-BP1 ("Neptune class cable layer") Type S4-S2-BB3 ("Casablanca-class escort carrier") Type S4-SE2-BD1 ("Gilliam-class attack transport")
Miscellaneous-Cargo	Type L6 ("Lakers") Type N ("Coastal Cargo") Type P1 ("Passenger") Type P2 ("Passenger") Type R ("Refrigerated") Type B ("Barge")
Tugs	Type V ("Tugs")
See also:- Empire ship, Fort ship, Park ship, Ocean ship.

United States naval ship classes of World War II
Aircraft carriers	Lexington Ranger^S Yorktown Wasp^S Essex Midway^C
Light aircraft carriers	Independence Saipan^C
Escort carriers	Long Island Charger Bogue Sangamon Casablanca Commencement Bay
Battleships	Wyoming New York Nevada Pennsylvania New Mexico Tennessee Colorado North Carolina South Dakota Iowa Montana^X
Large cruisers	Alaska
Heavy cruisers	Pensacola Northampton Portland New Orleans Wichita^S Baltimore Oregon City^C Des Moines^C
Light cruisers	Omaha Brooklyn St. Louis Atlanta Cleveland Fargo^C Juneau^C Worcester^C
Gunboats	Asheville Tulsa Dubuque Plymouth^S Williamsburg^S St. Augustine^S Vixen^S Erie
Destroyers	Sampson Caldwell Wickes Clemson Farragut Porter Mahan Gridley Bagley Somers Benham Sims Benson Gleaves Fletcher Allen M. Sumner Robert H. Smith Gearing
Destroyer escorts	Evarts Buckley Cannon Edsall Rudderow John C. Butler
Patrol frigates	Asheville Tacoma
Patrol boats	Action PT boat
Minesweepers	Lapwing Raven Auk Eagle^S Hawk Admirable
Submarines	O R S Barracuda Argonaut^S Narwhal Dolphin^S Cachalot Porpoise Salmon Sargo Tambor Mackerel Gato Balao Tench
Tankers	T1 tanker T2 tanker T3 tanker
Minelayers	Camanche Class Chimo Class Other minelayers
Cargo	Liberty Victory Haskell Andromeda Arcturus Artemis Tolland Alstede Aldebaran Adria Acubens Arctic Denebola Hyades Mizar
S Single ship of class C Completed after the war X Cancelled

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