Admiralty type flotilla leader

Class overview
Preceded by: Admiralty V class leader
Succeeded by: Thornycroft type leader
Planned: 10
Completed: 8
Cancelled: 2
Lost: 1
General characteristics
Type: Flotilla leader
Displacement: 1,580 tons
Tons burthen: 2,053 tons
Length: 322 ft 6 in (98.30 m) o/a
Beam: 31 ft 9 in (9.68 m)
Draught: 12 ft 6 in (3.81 m)
Propulsion: 4 Yarrow-type boilers, Parsons single reduction turbines, 2 shafts, 40,000 shp (30,000 kW)
Speed: 36.5 knots (67.6 km/h)
Range: 5,000 nmi (9,260 km) at 15 knots (28 km/h)
Complement: 164

The Admiralty type leader, sometimes known as the Scott class, were a class of eight destroyer leaders designed and built for the Royal Navy towards the end of World War I. They were named after Scottish historical leaders. The function of a leader was to carry the flag staff of a destroyer flotilla, therefore they were enlarged to carry additional crew, offices and signalling equipment, allowing a fifth gun to be carried. These ships were very similar to the Thornycroft type leader, but the latter had broad, slab-sided funnels characteristic of Thornycroft designs, the Admiralty type having two narrow funnels of equal height.

All except Mackay and Malcolm were completed in time for wartime service, Scott being a war loss. The two final orders - Barrington and Hughes - were cancelled with the end of the War; these two had originally been ordered to the Thornycroft leader design. Stuart was transferred to Australia in 1933. All the remaining ships except Bruce (expended as a target ship in 1939) survived service in World War II, being converted to escort ships. Montrose and Stuart had Brown-Curtis steam turbines, giving 43,000 shp (32,000 kW) for an extra ½ knot.


The prototype was ordered in April 1916 under the War Emergency Programme:

Two more were ordered in December 1916:

Five more were ordered in April 1917. The second vessel was originally named Claverhouse, but was renamed Mackay 31 December 1918:

Another two were ordered in April 1918, but were cancelled with the end of the war:


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