HMS Narwhal (S20)

GPTKB entity

Properties (53)
Predicate Object
gptkbp:instanceOf submarine
gptkbp:armament torpedoes
gptkbp:builder gptkb:Cammell_Laird
Birkenhead
gptkbp:built gptkb:Portsmouth
1971
gptkbp:celebrates submarine_memorials_in_UK
gptkbp:class Narwhal-class submarine
gptkbp:commissioned Admiralty
gptkbp:commissioningDate 1945-01-01
gptkbp:communicationEquipment radio and satellite
gptkbp:conservationEfforts historical preservation initiatives
gptkbp:crew submarine tactics
gptkbp:culturalImpact featured in documentaries
gptkbp:decommissioned gptkb:Royal_Navy
1970-01-01
gptkbp:deployedTo gptkb:Mediterranean_Sea
gptkbp:design stealth_technology
British_submarine_design
gptkbp:died gptkb:HMS_Astute
gptkbp:displacement 2,200 tons
gptkbp:electronic_warfare ECM_systems
gptkbp:engineType gptkb:V16_diesel_engine
gptkbp:fate scrapped
gptkbp:firstCommandingOfficer gptkb:Captain_John_Smith
gptkb:Captain_James_Brown
gptkbp:firstDeployment 1970
gptkbp:historicalSignificance Cold War deterrence
gptkbp:homePort gptkb:Plymouth
https://www.w3.org/2000/01/rdf-schema#label HMS Narwhal (S20)
gptkbp:internationalExercises Joint NATO operations
gptkbp:launchDate 1944-01-01
gptkbp:legacy influence on future submarine designs
gptkbp:length 76.7 meters
gptkbp:nickname nan
gptkbp:notableEvent Cold_War_operations
gptkbp:notableFeature Reconnaissance missions
gptkbp:numberOfStudents 60
gptkbp:operationalArea North_Atlantic
gptkbp:operationalStatus retired
gptkbp:participatedIn NATO_exercises
gptkbp:productionYears 1945-1970
gptkbp:propulsion diesel-electric
gptkbp:radar surface search radar
gptkbp:replacedBy HMS Upholder
gptkbp:secondaryRole attack submarine
gptkbp:serviceBranch gptkb:Royal_Navy
gptkbp:serviceYears 25 years
gptkbp:sisterShip gptkb:HMS_Tigris
gptkbp:sonar active/passive sonar
gptkbp:speed 20 knots
gptkbp:supportRole submarine warfare training
gptkbp:torpedoSystem gptkb:Mark_8_torpedo