HMAS Sydney (DDG 42)
E621347
HMAS Sydney (DDG 42) is a Royal Australian Navy guided-missile destroyer equipped with advanced air warfare, anti-submarine, and surface strike capabilities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HMAS Sydney (DDG 42) canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6775618 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: HMAS Sydney (DDG 42) Context triple: [Hobart-class destroyer, shipInClass, HMAS Sydney (DDG 42)]
-
A.
HMAS Brisbane (DDG 41)
HMAS Brisbane (DDG 41) is a Royal Australian Navy guided missile destroyer equipped with advanced air warfare, anti-submarine, and surface strike capabilities.
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B.
HMAS Hobart (DDG 39)
HMAS Hobart (DDG 39) is a Royal Australian Navy guided-missile destroyer and the lead ship of Australia's Hobart-class air warfare destroyers, designed for advanced air defense, surface, and anti-submarine operations.
-
C.
HMAS Perth (D29)
HMAS Perth (D29) was a Royal Australian Navy modified Leander-class light cruiser that served with distinction in World War II before being lost in action against Japanese forces in 1942.
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D.
USS Turner Joy (DD-951)
USS Turner Joy (DD-951) was a Forrest Sherman-class destroyer of the United States Navy best known for its controversial role in the events that escalated U.S. involvement in the Vietnam War.
-
E.
HMAS Canberra (FFG 02)
HMAS Canberra (FFG 02) was an Adelaide-class guided missile frigate of the Royal Australian Navy that served from the early 1980s until its decommissioning in 2005.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: HMAS Sydney (DDG 42) Target entity description: HMAS Sydney (DDG 42) is a Royal Australian Navy guided-missile destroyer equipped with advanced air warfare, anti-submarine, and surface strike capabilities.
-
A.
HMAS Brisbane (DDG 41)
HMAS Brisbane (DDG 41) is a Royal Australian Navy guided missile destroyer equipped with advanced air warfare, anti-submarine, and surface strike capabilities.
-
B.
HMAS Hobart (DDG 39)
HMAS Hobart (DDG 39) is a Royal Australian Navy guided-missile destroyer and the lead ship of Australia's Hobart-class air warfare destroyers, designed for advanced air defense, surface, and anti-submarine operations.
-
C.
HMAS Perth (D29)
HMAS Perth (D29) was a Royal Australian Navy modified Leander-class light cruiser that served with distinction in World War II before being lost in action against Japanese forces in 1942.
-
D.
USS Turner Joy (DD-951)
USS Turner Joy (DD-951) was a Forrest Sherman-class destroyer of the United States Navy best known for its controversial role in the events that escalated U.S. involvement in the Vietnam War.
-
E.
HMAS Canberra (FFG 02)
HMAS Canberra (FFG 02) was an Adelaide-class guided missile frigate of the Royal Australian Navy that served from the early 1980s until its decommissioning in 2005.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
air warfare destroyer
ⓘ
guided-missile destroyer ⓘ warship ⓘ |
| aircraftFacility |
flight deck
ⓘ
hangar ⓘ |
| airWarfareSystem | AEGIS combat system NERFINISHED ⓘ |
| beam | 18.6 metres (approximate) ⓘ |
| builder | ASC Pty Ltd NERFINISHED ⓘ |
| classPosition | third Hobart-class destroyer ⓘ |
| closeInWeaponSystem | Phalanx CIWS NERFINISHED ⓘ |
| commissioned | 2020-05-18 ⓘ |
| constructionCity | Adelaide NERFINISHED ⓘ |
| constructionSite | Osborne Naval Shipyard NERFINISHED ⓘ |
| constructionState | South Australia NERFINISHED ⓘ |
| country | Australia ⓘ |
| countryOfConstruction | Australia NERFINISHED ⓘ |
| crewComplement | approximately 180 personnel ⓘ |
| displacement | 7000 tonnes (approximate full load) ⓘ |
| embarkedAircraft | MH-60R Seahawk (capable) NERFINISHED ⓘ |
| era | 21st century warship ⓘ |
| gunArmament | 127 mm main gun ⓘ |
| laidDown | 2015-11-19 ⓘ |
| launched | 2018-05-19 ⓘ |
| length | 147 metres (approximate) ⓘ |
| maximumSpeed | over 28 knots ⓘ |
| missileSystem |
ESSM (Evolved Sea Sparrow Missile)
NERFINISHED
ⓘ
SM-2 Standard Missile NERFINISHED ⓘ |
| namedAfter | City of Sydney NERFINISHED ⓘ |
| namesake | Sydney, New South Wales NERFINISHED ⓘ |
| navalFleet | Royal Australian Navy Fleet NERFINISHED ⓘ |
| operator | Royal Australian Navy NERFINISHED ⓘ |
| pennantNumber | DDG 42 NERFINISHED ⓘ |
| precededBy | HMAS Brisbane (DDG 41) NERFINISHED ⓘ |
| primaryRole | air warfare ⓘ |
| program | Air Warfare Destroyer Program NERFINISHED ⓘ |
| propulsion |
combined diesel or gas
ⓘ
diesel engines ⓘ gas turbines ⓘ |
| radar | AN/SPY-1D(V) phased array radar ⓘ |
| role |
anti-submarine warfare
ⓘ
fleet area air defence ⓘ surface strike ⓘ |
| serviceBranch | Royal Australian Navy NERFINISHED ⓘ |
| shipClass | Hobart-class destroyer NERFINISHED ⓘ |
| shipyard | ASC Shipbuilding NERFINISHED ⓘ |
| sisterShip |
HMAS Brisbane (DDG 41)
NERFINISHED
ⓘ
HMAS Hobart (DDG 39) NERFINISHED ⓘ |
| status | in active service ⓘ |
| torpedoArmament | lightweight torpedoes ⓘ |
| verticalLaunchSystem | Mk 41 VLS NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: HMAS Sydney (DDG 42) Description of subject: HMAS Sydney (DDG 42) is a Royal Australian Navy guided-missile destroyer equipped with advanced air warfare, anti-submarine, and surface strike capabilities.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
HMAS Sydney (D48)