HMS H44 was an H-class submarine of the Royal Navy. She was built by Armstrong Whitworth and launched on 17 February 1919. She served in the Second World War. She had a complement of twenty-two crew members. She was sold in 1944 and was broken up at Troon in February 1945.
Like all post-H20 British H-class submarines, H44 had a displacement of 423LT at the surface and 510LT while submerged.[1] It had a total length of 171feet,[2] a beam of 15feet, and a draught of . It contained a diesel engines providing a total power of and two electric motors each providing power.[3] The use of its electric motors made the submarine travel at 11kn. It would normally carry 16.4LT of fuel and had a maximum capacity of 18LT.[4]
The submarine had a maximum surface speed of 13kn and a submerged speed of 10.5kn. Post-H20 British H-class submarines had ranges of 2985nmi at speeds of 7.5kn when surfaced.[1] [3] H44 was fitted with an anti-aircraft gun and four torpedo tubes. Its torpedo tubes were fitted to the bows and the submarine was loaded with eight torpedoes.[1] It is a Holland 602 type submarine but was designed to meet Royal Navy specifications. Its complement was twenty-two crew members.[1]