South Dakota 1917 class
SOUTH DAKOTA (BB-49)
INDIANA (BB-50)
MONTANA (BB-51)
NORTH CAROLINA (BB-52)
IOWA (BB-53)
MASSACHUSETTS (BB-54)


BB-49

BB-50

BB-51

BB-52

BB-53

BB-54
1st Commanding Officer:

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Authorised:

August 29, 1916 and March 4, 1917

August 29, 1916 and March 4, 1917

August 29, 1916 and March 4, 1917

August 29, 1916 - July , 1918 - July 11, 1919

August 29, 1916 - July , 1918 - July 11, 1919

August 29, 1916 - July , 1918 - July 11, 1919
Keel Laid:

March 15, 1920

Nov. 1, 1920

Sept. 1, 1920

Jan. 12, 1920

May 17, 1920

April 4, 1921
Launched:

no

no

no

no

no

no
Commissioned:

Canceled Feb. 8, 1922

Canceled Feb. 8, 1922

Canceled Feb. 8, 1922

Canceled Feb. 8, 1922

Canceled Feb. 8, 1922

Canceled Feb. 8, 1922
Sponsor:

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Builder:

New York Navy Yard, Brooklyn, NY

New York Navy Yard, Brooklyn, NY

Mare Island Navy Yard, Vallejo, California

Norfolk Navy Yard, Portsmouth, Virginia

Newport News Shipbuilding Co., Newpor News, Virginia

Bethlehem Steel Co., Quincy, Massachusetts
Original Engines Manufactured:

Turbines

Turbines

Turbines

Turbines

Turbines

Turbines
Original Boilers Manufactured:

Babcock & Wilcox type: WT

Babcock & Wilcox type: WT

Babcock & Wilcox type: WT

Babcock & Wilcox type: WT

Babcock & Wilcox type: WT

Babcock & Wilcox type: WT
Original Fuel:

Oil, 2100 tons (631,100 gallons)

Oil, 2100 tons (631,100 gallons)

Oil, 2100 tons (631,100 gallons)

Oil, 2100 tons (631,100 gallons)

Oil, 2100 tons (631,100 gallons)

Oil, 2100 tons (631,100 gallons)
Drive:

Turbo-electric, 4 screws

Turbine drive, 4 screws

Turbine drive, 4 screws

Turbine drive, 4 screws

Turbine drive, 4 screws

Turbine drive, 4 screws
Designed Speed:

23 knots

23 knots

23 knots

23 knots

23 knots

23 knots
Designed Shaft Horsepower:

60,000

60,000

60,000

60,000

60,000

60,000
Design Comments:

Named ship of class of six 43,200-ton Battleships

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Displacement Standard Tons:

41,400

41,400

41,400

41,400

41,400

41,400
Displacement Full Load Tons:

43,200

43,200

43,200

43,200

43,200

43,200
Design Crew Complement:

62 officers
1129 enlisted

62 officers
1129 enlisted

62 officers
1129 enlisted

62 officers
1129 enlisted

62 officers
1129 enlisted

62 officers
1129 enlisted
Construction Cost:

$15.5 + armor and armament

$15.5 + armor and armament

$15.5 + armor and armament

$15.5 + armor and armament

$15.5 + armor and armament

$15.5 + armor and armament
Length:

(w.l.) 660' , (o.a.) 684'

(w.l.) 660' , (o.a.) 684'

(w.l.) 660' , (o.a.) 684'

(w.l.) 660' , (o.a.) 684'

(w.l.) 660' , (o.a.) 684'

(w.l.) 660' , (o.a.) 684'
Beam:

106'

106'

106'

106'

106'

106'
Draught:

33'

33'

33'

33'

33'

33'
Guns:

12-16" 50 cal
(38,000-yard range with AP rouns)
16-5"/53 cal; 8-3"/50 cal AA

12-16" 50 cal
(38,000-yard range with AP rouns)
16-5"/53 cal; 8-3"/50 cal AA

12-16" 50 cal
(38,000-yard range with AP rouns)
16-5"/53 cal; 8-3"/50 cal AA

12-16" 50 cal
(38,000-yard range with AP rouns)
16-5"/53 cal; 8-3"/50 cal AA

12-16" 50 cal
(38,000-yard range with AP rouns)
16-5"/53 cal; 8-3"/50 cal AA

12-16" 50 cal
(38,000-yard range with AP rouns)
16-5"/53 cal; 8-3"/50 cal AA
Aircraft:

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Catapults:

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Torpedo Tubes:

2-21" submerged

2-21" submerged

2-21" submerged

2-21" submerged

2-21" submerged

2-21" submerged
Armour:

Maximum thickness 18" at turret face plates

Maximum thickness 18" at turret face plates

Maximum thickness 18" at turret face plates

Maximum thickness 18" at turret face plates

Maximum thickness 18" at turret face plates

Maximum thickness 18" at turret face plates
Final Disposition: Name struck from the Navy List on Nov. 10, 1923; scrapping completed on Nov. 15, 1924 in accordance with the Washington Treaty; canceled when 38.5 % complete; entire class was scrapped. Unfinished hull sold for scrapping on the Slipway to Steel Scrap Co. of Philadelphia Name struck from the Navy List on August 24, 1923; scrapped in accordance with the Washington Treaty on Oct. 25, 1923; canceled when 34.7 % complete Name struck from the Navy List on August 24, 1923; scrapped in accordance with the Washington Treaty on Oct. 25, 1923; canceled when 27.6 % complete Name struck from the Navy List on Nov. 10, 1923; scrapped in accordance with the Washington Treaty on Oct. 25, 1923; canceled when 36.7 % complete Name struck from the Navy List on August 24, 1923; scrapped in accordance with the Washington Treaty of Nov. 8, 1923; canceled when 31.8 % complete; Construction canceled o nAugust 17, 1923 Name struck from the Navy List on August 24, 1923; scrapped in accordance with the Washington Treaty of Nov. 8, 1923; canceled when 11 % complete; unfinished hull was sold for scrap on Nov. 8, 1923 to Steel Scrap Co. of Philadelphias
Commendations:

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