|Designed by:||Norman Hart and built by a total of thirteen firms,
|Construction||Hard Chine prefabricated double diagonal mahogany hull. Plywood frames. Hull subdivided into watertight compartments. Two underslung rudders.|
|Dimensions||Overall Length: 110 ft. Beam: 17 ft 5 in.
Draught: 5 ft fwd, 6ft 3ins aft.
Freeboard: 6 ft.
|Displacement||As designed: 72 tons|
|Machinery||Three Half-Scott Defenders. 12 Cylinder, Supercharged.
100 Octane Petrol. 900 HP Side Exhaust.
Aux Engine: Stuart Turner, Lighting Set.
|Speed||26.6 Knots at 2100 RPM Max: 23.6 Knots at 1700 RPM Continuous.|
|Endurance||500 Nautical Miles at 12 Knots.|
|Fuel capacity||1800 Galls. Flexible Tanks were later fitted for 2600 galls.|
|Heating and Cooking||Parrafin heating and cooking later changed to coal heating.|
|Wheelhouse and Steering||Originally inside hydraulic steering. Later changed to dual with upper bridge steering in armour plated upper bridge.|
|Communications||W/T Radar (Type 286). Echo Sounding Sets. CSA Smoke Apparatus.|
|Compliment||2 Officers, 14 Men.|
|Armament||One 2-Pounder QF Mark IIC Gun on Mark XV (Power) Mounting.
Two twin 0.5 inch Vickers Machine Guns in Mark V (Power) mountings, midships.
One Rolls Royce 2 Pounder aft.
Two Twin Vickers 0.303 GO Machine Guns on Bridge.
Later re-armed with two 2 Pounder mountings fore and aft; Single or Twin Oerlikons in place of Twin 0.5 Vickers; Twin 20mm Oerlikon midships; Four Depth Charges located Two each side aft.