Tasks of new British motor torpedo boats yet not known according to the Dutch magazine Marineblad dated 1936 no. 5

An item reported that the new British torpedo motor boats building costs each around 23.000 pound sterling had a length of 18 metres and an armament of 2-45cm torpedoes and some heavy machine guns. Maximum speed 40 knots. Range with an economical speed was 600 miles. What their tasks were to be was yet unknown although the magazine N.M.R. dated 16 July 1936 mentioned their strong armament suitable against low flying aircraft.