Sirius-class patrol ship

	HNLMS Sirius before militarization
Class overview
Name	Sirius class
Builders	IJselwerf, Gorinchem
Operators	Royal Netherlands Navy
Preceded by	HNLMS Fomalhaut
Succeeded by	Merel class
In service	1923–1942
Planned	2
Completed	2
Lost	2
General characteristics
Type	Patrol ship, seaplane tender
Displacement	1,018 tons
Length	56.64 m (185 ft 10 in)
Beam	9.54 m (31 ft 4 in)
Draught	3.3 m (10 ft 10 in)
Propulsion	1 × 916 ihp (683 kW) triple expansion engine
Speed	12 knots (22 km/h)
Complement	54
Armament	1 × 7.5 cm (3.0 in) cannon; 1 x 7.7 mm (0.30 in) machine gun;

The Sirius class was a class of two patrol boats built by the Ijselwerf at Gorinchem for service with the Government Navy. The class consisted of HNLMS Sirius and HNLMS Wega.^[1]^[2]

^ Mark, Chris (1997). Schepen van de Koninklijke Marine in W.O. II. Alkmaar: De Alk. ISBN 978-90-6013-522-8.
^ Helfrich, Conrad Emile Lambert (1950). Memoires van Admiraal Helfrich Amsterdam: Elsevier.

[1] Mark, Chris (1997). Schepen van de Koninklijke Marine in W.O. II. Alkmaar: De Alk. ISBN 978-90-6013-522-8.

[2] Helfrich, Conrad Emile Lambert (1950). Memoires van Admiraal Helfrich Amsterdam: Elsevier.

[1]

[2]

Class overview
HNLMS Sirius before militarization
Name	Sirius class
Builders	IJselwerf, Gorinchem
Operators	Royal Netherlands Navy
Preceded by	HNLMS Fomalhaut
Succeeded by	Merel class
In service	1923–1942
Planned	2
Completed	2
Lost	2
General characteristics
Type	Patrol ship, seaplane tender
Displacement	1,018 tons
Length	56.64 m (185 ft 10 in)
Beam	9.54 m (31 ft 4 in)
Draught	3.3 m (10 ft 10 in)
Propulsion	1 × 916 ihp (683 kW) triple expansion engine
Speed	12 knots (22 km/h)
Complement	54
Armament	1 × 7.5 cm (3.0 in) cannon 1 x 7.7 mm (0.30 in) machine gun