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
|