Gerard Callenburgh-class destroyer

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Isaac Sweers, underway in 1942
Class overview
Name	Gerard Callenburgh class
Operators	Royal Netherlands Navy  Kriegsmarine
Preceded by	Admiralen class
Succeeded by	Holland class
Built	1937–1940
In commission	1941–1944
Planned	4
Completed	2
Lost	2
General characteristics as designed (see text)
Type	Destroyer
Displacement	1,604 tons standard 2,228 tons full load
Length	107 m (351 ft 1 in)
Beam	10.6 m (34 ft 9 in)
Draft	2.8 m (9 ft 2 in)
Propulsion	2 shaft, Parsons geared turbines 3 Yarrow boilers 45,000 hp (34,000 kW)
Speed	37.5 knots (69.5 km/h; 43.2 mph)
Range	3,200 nmi (5,900 km; 3,700 mi) at 15 kn (28 km/h; 17 mph)
Complement	158
Armament	5 × 120 mm (4.7 in) guns (2 × 2 & 1 × 1) 4 × 40 mm (1.6 in) AA guns 4 × 12.7 mm (0.50 in)/62 Vickers Mk III machine guns 8 × 533 mm (21.0 in) torpedo tubes (2 × 4) Mines & depth charges (Note: When Gerald Callenburgh was taken by the Germans [ZH1] she had a different armament, and Isaac Sweers was completed in England)

The Gerard Callenburgh class were a group of four destroyers ordered for the Royal Netherlands Navy just before World War II. Two ships were completed - Gerard Callenburgh by the Germans after being captured and Isaac Sweers in Britain after being evacuated as the Netherlands fell to the Nazis.