[2] For surface running, the boats were powered by two 950-brake-horsepower (708 kW) diesel engines, each driving one propeller shaft.

[3] On the surface, the third-batch boats had a range of 6,000 nautical miles (11,000 km; 6,900 mi) at 10 knots (19 km/h; 12 mph) and 120 nmi (220 km; 140 mi) at 3 knots (5.6 km/h; 3.5 mph) submerged.

[4] It is uncertain if Shakespeare was completed with a 20-millimetre (0.8 in) Oerlikon light AA gun or had one added later.

On transferral to the Far East, she sank the Japanese merchant cargo ship Unryu Maru.

She was damaged by gunfire and air attack in the Nankauri Strait, Andaman Islands on 3 January 1945, whilst engaged with the Japanese auxiliary minesweeper Wa 1.