SM UB-77 explained

SM UB-77 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 2 October 1917 as SM UB-77.

UB-77 was surrendered on 16 January 1919 in accordance with the requirements of the Armistice with Germany and broken up in Swansea in 1921.

Construction

See main article: Type UB III submarine. UB-77 was ordered by the GIN on 23 September 1916.

She was built by Blohm & Voss of Hamburg and following just under a year of construction, launched at Hamburg on 5 May 1917. UB-77 was commissioned later that same year under the command of Kptlt. Wilhelm Meyer. Like all Type UB III submarines, UB-77 carried 10 torpedoes and was armed with a 8.82NaN2 deck gun. UB-77 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8680nmi. UB-77 had a displacement of 516lk=inNaNlk=in while surfaced and 648t when submerged. Her engines enabled her to travel at 13.6kn when surfaced and when submerged.

Summary of raiding history

DateNameNationalityTonnage[1] Fate[2]
5 February 1918 United Kingdom14,348Sunk
31 March 1918 United Kingdom20,904Damaged
28 August 1918Lompoc United Kingdom7,270Damaged

References

Citations

Bibliography

Notes and References

  1. Tonnages are in gross register tons
  2. ub77. UB 77. 1boat. 4 February 2015.