HMS Thetis

E751543

HMS Thetis was a British Royal Navy T-class submarine launched in the late 1930s that tragically sank during sea trials in Liverpool Bay, resulting in significant loss of life.

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Label Occurrences
HMS Thetis canonical 1

Statements (45)

Predicate Object
instanceOf Royal Navy submarine
T-class submarine
additionalPersonnelOnBoard civilian technicians
dockyard workers
naval observers
armament deck gun
torpedo tubes
beam 7.77 metres
builder Cammell Laird NERFINISHED
builtAt Birkenhead NERFINISHED
causeOfSinking flooding through forward torpedo tube
human error
class T-class NERFINISHED
country United Kingdom
crewComplement about 53
dateOfSalvage September 1939
dateOfSinking 1 June 1939
displacement 1090 tons surfaced
1575 tons submerged
fate sank during sea trials
hullNumber N25 NERFINISHED
impact changes to Royal Navy submarine safety procedures
incidentKnownAs Thetis disaster
laidDown 21 December 1936
launched 29 June 1938
legalOutcome Board of Inquiry NERFINISHED
length 84.28 metres
memorialLocation Anglesey NERFINISHED
Liverpool NERFINISHED
namedAfter Thetis (sea nymph in Greek mythology) NERFINISHED
notableFor worst peacetime submarine disaster in Royal Navy history
notableSurvivor Leading Stoker Walter Arnold NERFINISHED
Lieutenant Commander Guy Bolus NERFINISHED
numberOfDeaths 99
numberOfPeopleOnBoard 103
numberOfSurvivors 4
operator Royal Navy
pennantNumber N25
placeOfSinking Liverpool Bay NERFINISHED
propulsion diesel-electric
recommissionedAs HMS Thunderbolt NERFINISHED
renamed HMS Thunderbolt NERFINISHED
salvaged yes
serviceEntry late 1930s
testType sea trials

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Cammell Laird built HMS Thetis