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 × Oerlikons,

                                            Machine guns,

                                            Depth charges

                                            chutes and throwers