Displacement:            650 tons standard

                                  1,025 tons full war load

Length:                       186 ft (57 m)

Beam:                          31 ft (9.4 m)

Draught:                     8.5 ft (2.6 m)

Propulsion:                triple expansion

                                     engine, 2 shafts,

                                     2,000 hp

Speed:                         15 knots (28 km/h;

                                     17 mph) at 1,750 hp

Complement:              85

Armament:                  1 × 4-inch gun

                                      3 × 20 mm Oerlikons

                                      Machine guns

                                      Depth charges

                                      chutes and throwers