K III-class submarine

Class overview
K III
Name:	K III class
Builders:	Koninklijke Maatschappij De Schelde, Vlissingen
Operators:	Royal Netherlands Navy
Preceded by:	K II
Succeeded by:	K V class
Built:	1915-1921
Completed:	2
General characteristics
Type:	Submarine
Displacement:	583 tons surfaced (K III) 579 tons surfaced (K IV) 721 tons submerged
Length:	64.41 m (211 ft 4 in)
Beam:	5.6 m (18 ft 4 in)
Draught:	3.56 m (11 ft 8 in)
Propulsion:	2 × 900 bhp (671 kW) diesel engines (K III) 2 × 600 bhp (447 kW) diesel engines (K IV) 2 × 210 hp (157 kW) electric motors
Speed:	16.5 kn (30.6 km/h; 19.0 mph) surfaced (K III) 15 kn (28 km/h; 17 mph) surfaced (K IV) 8.5 kn (15.7 km/h; 9.8 mph) submerged
Range:	3,500 nmi (6,500 km; 4,000 mi) at 11 kn (20 km/h; 13 mph) on the surface 25 nmi (46 km; 29 mi) at 8.5 kn (15.7 km/h; 9.8 mph) submerged
Complement:	29
Armament:	2 × 18 inch bow torpedo tubes 2 × 18 inch external-traversing forward of the bridge

The K III class was a class of two patrol submarines, built by Koninklijke Maatschappij De Schelde in Vlissingen for the Royal Netherlands Navy. Used for patrols in the Dutch colonial waters. The submarines diving depth was 40 metres (130 ft). The design for the double hulled boats came from the American Electric Boat Company.

Construction

Name	Laid down	Launched	Commissioned	Decommissioned
K III	15 July 1915	12 August 1919	9 July 1920	1934
K IV	30 December 1915	2 July 1920	27 April 1921	1936

External links

Description of class

K III-class submarines

K III K IV

Preceded by: HNLMS K II Followed by: K V class List of submarines of the Netherlands

Dutch naval ship classes 1890 – 1920 and unique ships

Dreadnoughts	1913 battleship proposal^C

Coastal defence ships	Evertsen Koningin Regentes Marten Harpertszoon Tromp^S Jacob van Heemskerck^S De Zeven Provinciën^S

Protected cruisers	Sumatra^S Koningin Wilhelmina der Nederlanden^S Holland

Destroyers	Wolf

Gunboats, monitors and sloops	Java^S Ceram Lombok Borneo^S Nias Koetei Brinio Reinier Claeszen^S

Torpedoboats	G 13 Z 1 Z 5

Submarines	O 1^S O 2 O 6^S O 7^S M1^G O 8^B K I^S K II^S K III

B Former British HMS H6 C Cancelled G Former German SM UC-8 S Single ship of class

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