gptkbp:instance_of
|
gptkb:submarine
|
gptkbp:bfsLayer
|
5
|
gptkbp:bfsParent
|
gptkb:U-20_submarine
|
gptkbp:armament
|
torpedoes
deck gun
|
gptkbp:commander
|
gptkb:Kapitänleutnant_Hans_H._von_Schenk
gptkb:Kapitänleutnant_Otto_von_Schrader
Otto von Schrader
|
gptkbp:commissioned
|
gptkb:1914
|
gptkbp:constructed_in
|
gptkb:Kaiserliche_Werft_Danzig
|
gptkbp:crew
|
40 men
U-boat training schools
|
gptkbp:decommissioned
|
1918
|
gptkbp:deployment
|
gptkb:Monarch
gptkb:World_War_I
|
gptkbp:design
|
gptkb:Type_U-boat
|
gptkbp:displacement
|
1,000 tons
1,200 tons
800 tons
|
gptkbp:fate
|
scrapped
sunk
|
gptkbp:first_appearance
|
gptkb:1914
|
gptkbp:flows_into
|
1918
|
gptkbp:historical_context
|
World War I naval warfare
|
gptkbp:historical_impact
|
changed naval tactics.
|
gptkbp:historical_significance
|
first submarine to sink a warship with torpedoes
|
gptkbp:home_port
|
gptkb:Wilhelmshaven
|
https://www.w3.org/2000/01/rdf-schema#label
|
U-21 submarine
|
gptkbp:last_appearance
|
1918
|
gptkbp:launch_vehicle
|
internal torpedo tubes
|
gptkbp:launched
|
1913
|
gptkbp:length
|
64.7 meters
|
gptkbp:losses
|
gptkb:HMS_Pathfinder
gptkb:starship
14 ships
|
gptkbp:mission
|
sank merchant ships
|
gptkbp:notable_achievement
|
sank 2 cruisers
|
gptkbp:notable_event
|
sank HMS Pathfinder
|
gptkbp:notable_feature
|
stealth capabilities
|
gptkbp:notable_ships
|
gptkb:starship
G7a
12 torpedoes
|
gptkbp:operational_area
|
gptkb:North_Sea
1914-1918
4 years
|
gptkbp:operational_status
|
lost at sea
|
gptkbp:propulsion
|
gptkb:engine
diesel-electric
|
gptkbp:range
|
100 nautical miles
50,000 nautical miles
|
gptkbp:service_years
|
1918
|
gptkbp:services
|
gptkb:Imperial_German_Navy
|
gptkbp:speed
|
25 knots
20 knots
8 knots
|
gptkbp:successor
|
gptkb:U-boat_type_VIIC
|
gptkbp:surface
|
15,000 nautical miles
|
gptkbp:type
|
gptkb:football_club
|