SEAPLANE and COLONIAL TENDER
(Älvsnabben - class)
ÄLVSNABBEN (June 1928) VISBORG (Oct 1928) ÄLVSBORG (Apr 1929) SVEABORG (Dec 1929) GUSTAVSWIK (May 1930)
In service 1930 - 1955

Displacement: 13 560 t light; 13 889 t standard; 15 000 t normal; 15 888 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
    (500,59 ft / 492,13 ft) x 85,30 ft x (19,69 / 20,64 ft)
    (152,58 m / 150,00 m) x 26,00 m  x (6,00 / 6,29 m)

Complement: 356 - 420 Cost: £2,470 million / $9,879 million

Broadside - 2 -105mm 4 - 57mm, 4 -25mm

Armament:   4 - 4.1" / 105 mm gun   8 - 2,24" / 57,0 mm guns   8 - 1,0" / 25,4mm guns

Armour: 1" / 25 mm - Belts 0,4" / 10 mm - Ends: 0,4" / 10 mm - Upper 0,4" / 10 mm - Armour deck 1" / 25 mm mm - Conning tower 1" / 25 mm - Gun armour: Face (max) 0,4" / 10 mm -  gunhouse (avg) 1" / 25 mm - Barbette/hoist

Machinery:
    Oil fired boilers, steam turbines, Geared drive, 2 shafts, 34 060 shp / 25 409 Kw = 23,00 kts
    Range 10 000nm at 12,00 kts

Aircraft

	6x S 3, Fairey IIID 1928-36		2x S 5,  Consolidated P2Y 1928-38
	6x S8, Grumman J2F 1936-47		2x S 47, Consolidated Catalina 1938 - 60
	6x J 27 Saunders Roe SR1A1 1950-1960

Notes
The  Älvsnabben class where built as colonial tenders to support a divison of amphibus aircraft. most of the served for long time abroad . Especially i caribean and the pacific the made great effort in the struggle aganist axis submarines. Able to ser long enough to carry jet amphibians in the 50s most of their aircraft where replaced by helicopters.

Engineering Notes