Type UB III submarine

	UB-86 washed ashore 1921
Class overview
Builders	AG Weser, Bremen; Blohm & Voss, Hamburg; AG Vulcan, Hamburg; Germaniawerft, Kiel;
Operators	Imperial German Navy; Imperial Japanese Navy; French Navy;
Preceded by	UB II
Built	1916–1918
In commission	1917–1935
Planned	201
Building	145
Completed	96
Cancelled	56
Lost	37
General characteristics
Type	Coastal submarine
Displacement	508–555 t (500–546 long tons) surfaced; 629–684 t (619–673 long tons) submerged;
Length	55.30–57.80 m (181 ft 5 in – 189 ft 8 in) (o/a); 40.10 m (131 ft 7 in) (pressure hull);
Beam	5.76–5.80 m (18 ft 11 in – 19 ft 0 in)
Draught	3.67–3.85 m (12 ft 0 in – 12 ft 8 in)
Installed power	6-cylinder diesel engines, 1,060–1,100 PS (780–809 kW; 1,045–1,085 shp); electric motors, 788 PS (580 kW; 777 shp);
Propulsion	2 shafts, 2 1.40 m (4 ft 7 in) propellers
Speed	13.2–13.9 knots (24.4–25.7 km/h; 15.2–16.0 mph) surfaced; 7.4–8 knots (13.7–14.8 km/h; 8.5–9.2 mph) submerged;
Range	7,120–9,090 nmi (13,190–16,830 km; 8,190–10,460 mi) at 6 knots (11 km/h; 6.9 mph) surfaced; 50–55 nmi (93–102 km; 58–63 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	50 m (160 ft)
Complement	3 officers, 31 men
Armament	4 × 50 cm (19.7 in) bow torpedo tubes; 1 × stern tube; 10 torpedoes; 1 × 8.8 cm (3.5 in) SK L/30; or 10.5 cm (4.1 in) SK L/45 deck gun;

The Type UB III submarine was a class of U-boat built during World War I by the German Imperial Navy.

Class overview
UB-86 washed ashore 1921
Builders	AG Weser, Bremen Blohm & Voss, Hamburg AG Vulcan, Hamburg Germaniawerft, Kiel
Operators	Imperial German Navy Imperial Japanese Navy French Navy
Preceded by	UB II
Built	1916–1918
In commission	1917–1935
Planned	201
Building	145
Completed	96
Cancelled	56
Lost	37
General characteristics
Type	Coastal submarine
Displacement	508–555 t (500–546 long tons) surfaced 629–684 t (619–673 long tons) submerged
Length	55.30–57.80 m (181 ft 5 in – 189 ft 8 in) (o/a) 40.10 m (131 ft 7 in) (pressure hull)
Beam	5.76–5.80 m (18 ft 11 in – 19 ft 0 in)
Draught	3.67–3.85 m (12 ft 0 in – 12 ft 8 in)
Installed power	6-cylinder diesel engines, 1,060–1,100 PS (780–809 kW; 1,045–1,085 shp) electric motors, 788 PS (580 kW; 777 shp)
Propulsion	2 shafts, 2 1.40 m (4 ft 7 in) propellers
Speed	13.2–13.9 knots (24.4–25.7 km/h; 15.2–16.0 mph) surfaced 7.4–8 knots (13.7–14.8 km/h; 8.5–9.2 mph) submerged
Range	7,120–9,090 nmi (13,190–16,830 km; 8,190–10,460 mi) at 6 knots (11 km/h; 6.9 mph) surfaced 50–55 nmi (93–102 km; 58–63 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	50 m (160 ft)
Complement	3 officers, 31 men
Armament	4 × 50 cm (19.7 in) bow torpedo tubes 1 × stern tube 10 torpedoes 1 × 8.8 cm (3.5 in) SK L/30 or 10.5 cm (4.1 in) SK L/45 deck gun