SM UB-63

SM UB-63 was a German Type UB III submarine or U-boat in the German Imperial Navy (Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 23 July 1917 as SM UB-63.

UB-63 was sunk on 28 January 1918 by British warships HMS W.S. Bailey and HMS Fort George at 56.16667°N, 2°W with depth charges. All 33 crew members perished in the attack.

Construction
UB-63 was ordered by the GIN on 20 May 1916.

She was built by AG Vulcan of Hamburg and following just under a year of construction, launched at Hamburg on 26 May 1917. UB-63 was commissioned later that same year. Like all Type UB III submarines, UB-63 carried 10 torpedoes and was armed with a 8.8 cm deck gun. UB-63 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8420 nmi. UB-63 had a displacement of 508 t while surfaced and 639 t when submerged. Her engines enabled her to travel at 13.3 kn when surfaced and 8 kn when submerged.