UB-86 was surrendered to the Allies at Harwich on 24 November 1918 in accordance with the requirements of the Armistice with Germany. After passing into British hands, UB-86 was towed to Falmouth along with five other U-boats [Note 2] for use in a series of explosive test trials by the Royal Navy in Falmouth Bay, in order to find weaknesses in their design. Following her use on 14 January 1921, UB-86 was dumped on Castle Beach and sold to R. Roskelly & Rodgers on 19 April 1921 for scrap (for £110), and partially salvaged over the following decades, although parts remain in situ.[5]
UB-85 was ordered on 23 September 1916. She was built by AG Weser of Bremen and following just under a year of construction, launched at Bremen on 10 October 1917. UB-86 was commissioned later that same year under the command of Kptlt. Hans Trenk. Like all Type UB III submarines, UB-86 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-86 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8,180 nautical miles (15,150 km; 9,410 mi). UB-86 had a displacement of 516 t (508 long tons) while surfaced and 647 t (637 long tons) when submerged. Her engines enabled her to travel at 13.4 knots (24.8 km/h; 15.4 mph) when surfaced and 7.5 knots (13.9 km/h; 8.6 mph) when submerged.
Service historyedit
On 17 August 1918 UB-86 torpedoed the cargo steam ship Denebola 2 nautical miles (3.7 km; 2.3 mi) N by W from Gurnard Head near St Ives, Cornwall. Denebola, en route from Swansea bound for Rouen, was struck by two torpedoes which hit near number two and three holds causing her to sink rapidly.[6] The crew took to a boat and a raft and were later picked up by a patrol vessel.[6] The second engineer and one able seaman were lost.[6][7]
^Helgason, Guðmundur. "WWI U-boats: UB 86". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 13 February 2009.
^Helgason, Guðmundur. "WWI U-boat commanders: Hans Trenk". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 9 March 2015.
^Dodson, Aidan; Cant, Serena (2020). Spoils of War: the fate of enemy fleets after the two World Wars. Barnsley: Seaforth. pp. 50–52, 99, 129. ISBN978-1-5267-4198-1.
^ abc"SS Denebola [+1918]". Wreck Site. Retrieved 13 March 2014.
Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN0-85177-593-4.
Rössler, Eberhard (1979). Die deutschen U-Boote und ihre Werften: eine Bilddokumentation über den deutschen U-Bootbau; in zwei Bänden (in German). Vol. I. Munich: Bernard & Graefe. ISBN3-7637-5213-7.
other, ships, with, same, name, german, submarine, german, type, submarine, boat, german, imperial, navy, german, kaiserliche, marine, during, world, commissioned, into, german, imperial, navy, october, 1917, note, dumped, after, explosive, trials, falmouth, 1. For other ships with the same name see German submarine U 86 SM UB 86 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 31 October 1917 as SM UB 86 Note 1 SM UB 86 dumped after explosive trials at Falmouth 1921 HistoryGerman EmpireNameUB 86Ordered23 September 1916 2 BuilderAG Weser BremenCost3 341 000 German PapiermarkYard number286Laid down25 January 1917 3 Launched10 October 1917 1 Commissioned10 November 1917 1 FateSurrendered 24 November 1918 used for explosive trials and dumped on beach 1920 sold for scrap 1921General characteristics 1 Class and typeGerman Type UB III submarineDisplacement516 t 508 long tons surfaced 647 t 637 long tons submergedLength55 85 m 183 ft 3 in o a Beam5 80 m 19 ft Draught3 72 m 12 ft 2 in Propulsion2 propeller shaft 2 Benz four stroke 6 cylinder diesel engines 1 050 bhp 780 kW 2 BBC electric motors 780 shp 580 kW Speed13 4 knots 24 8 km h 15 4 mph surfaced 7 5 knots 13 9 km h 8 6 mph submergedRange8 180 nmi 15 150 km 9 410 mi at 6 knots 11 km h 6 9 mph surfaced 50 nmi 93 km 58 mi at 4 knots 7 4 km h 4 6 mph submergedTest depth50 m 160 ft Complement3 officers 31 men 1 Armament5 50 cm 19 7 in torpedo tubes 4 bow 1 stern 10 torpedoes 1 8 8 cm 3 46 in deck gunService recordPart of V Flotilla 10 February 5 May 1918 III Flotilla 5 May 11 November 1918Commanders Kptlt Hans Trenk 4 10 November 1917 11 November 1918Operations 5 patrolsVictories 4 merchant ships sunk 5 876 GRT 1 merchant ship damaged 1 735 GRT 1 warship damaged 14 150 tons UB 86 was surrendered to the Allies at Harwich on 24 November 1918 in accordance with the requirements of the Armistice with Germany After passing into British hands UB 86 was towed to Falmouth along with five other U boats Note 2 for use in a series of explosive test trials by the Royal Navy in Falmouth Bay in order to find weaknesses in their design Following her use on 14 January 1921 UB 86 was dumped on Castle Beach and sold to R Roskelly amp Rodgers on 19 April 1921 for scrap for 110 and partially salvaged over the following decades although parts remain in situ 5 Contents 1 Construction 2 Service history 3 Summary of raiding history 4 References 4 1 Notes 4 2 Citations 5 BibliographyConstruction editMain article German Type UB III submarine UB 85 was ordered on 23 September 1916 She was built by AG Weser of Bremen and following just under a year of construction launched at Bremen on 10 October 1917 UB 86 was commissioned later that same year under the command of Kptlt Hans Trenk Like all Type UB III submarines UB 86 carried 10 torpedoes and was armed with a 8 8 cm 3 46 in deck gun UB 86 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8 180 nautical miles 15 150 km 9 410 mi UB 86 had a displacement of 516 t 508 long tons while surfaced and 647 t 637 long tons when submerged Her engines enabled her to travel at 13 4 knots 24 8 km h 15 4 mph when surfaced and 7 5 knots 13 9 km h 8 6 mph when submerged Service history editOn 17 August 1918 UB 86 torpedoed the cargo steam ship Denebola 2 nautical miles 3 7 km 2 3 mi N by W from Gurnard Head near St Ives Cornwall Denebola en route from Swansea bound for Rouen was struck by two torpedoes which hit near number two and three holds causing her to sink rapidly 6 The crew took to a boat and a raft and were later picked up by a patrol vessel 6 The second engineer and one able seaman were lost 6 7 Summary of raiding history editDate Name Nationality Tonnage Note 3 Fate 8 21 February 1918 Mercia nbsp Sweden 1 127 Sunk11 April 1918 HMS King Alfred nbsp Royal Navy 14 150 Damaged18 April 1918 Gregynog nbsp United Kingdom 1 701 Sunk17 August 1918 Denebola nbsp United Kingdom 1 481 Sunk17 August 1918 Helene nbsp Denmark 1 567 Sunk19 August 1918 Charity nbsp United Kingdom 1 735 DamagedReferences editNotes edit SM stands for Seiner Majestat English His Majesty s and combined with the U for Unterseeboot would be translated as His Majesty s Submarine The other five being UB 97 UC 92 UB 106 UB 112 and UB 128 Merchant ship tonnages are in gross register tons Military vessels are listed by tons displacement Citations edit a b c d Groner 1991 pp 25 30 Rossler 1979 p 55 Helgason Gudmundur WWI U boats UB 86 German and Austrian U boats of World War I Kaiserliche Marine Uboat net Retrieved 13 February 2009 Helgason Gudmundur WWI U boat commanders Hans Trenk German and Austrian U boats of World War I Kaiserliche Marine Uboat net Retrieved 9 March 2015 Dodson Aidan Cant Serena 2020 Spoils of War the fate of enemy fleets after the two World Wars Barnsley Seaforth pp 50 52 99 129 ISBN 978 1 5267 4198 1 a b c SS Denebola 1918 Wreck Site Retrieved 13 March 2014 British Merchant Shipping Losses WW1 HMSO Helgason Gudmundur Ships hit by UB 86 German and Austrian U boats of World War I Kaiserliche Marine Uboat net Retrieved 2 December 2014 Bibliography editBendert Harald 2000 Die UB Boote der Kaiserlichen Marine 1914 1918 Einsatze Erfolge Schicksal in German Hamburg Verlag E S Mittler amp Sohn GmbH ISBN 3 8132 0713 7 Groner Erich Jung Dieter Maass Martin 1991 U boats and Mine Warfare Vessels German Warships 1815 1945 Vol 2 Translated by Thomas Keith Magowan Rachel London Conway Maritime Press ISBN 0 85177 593 4 Rossler Eberhard 1979 Die deutschen U Boote und ihre Werften eine Bilddokumentation uber den deutschen U Bootbau in zwei Banden in German Vol I Munich Bernard amp Graefe ISBN 3 7637 5213 7 50 8 49 75 N 5 3 9 20 W 50 1471528 N 5 0525556 W 50 1471528 5 0525556 Retrieved from https en wikipedia org w index php title SM UB 86 amp oldid 1198370726, wikipedia, wiki, book, books, library,
