Sikorsky S-55
E937109
The Sikorsky S-55 is an early post-World War II American multi-purpose helicopter widely used by military and civilian operators around the world.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sikorsky S-55 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11617611 — 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: Sikorsky S-55 Context triple: [Haitian Air Force, operatedAircraft, Sikorsky S-55]
-
A.
Sikorsky S-58
The Sikorsky S-58 is an American multi-purpose, medium-lift helicopter widely used from the 1950s onward for both civilian and military roles, including transport, search and rescue, and anti-submarine warfare.
-
B.
Sikorsky V
Sikorsky V is a designated satellite crater on the Moon associated with the larger Sikorsky impact crater.
-
C.
Sikorsky X
Sikorsky X is a designated satellite impact crater located on the Moon near the main Sikorsky crater.
-
D.
Sikorsky VS-300
The Sikorsky VS-300 was an early experimental American helicopter that pioneered the single main rotor with tail rotor configuration that became the standard for most modern helicopters.
-
E.
Sikorsky H-5 helicopter
The Sikorsky H-5 is an early post–World War II American utility and rescue helicopter that played a key role in pioneering rotary-wing military and search-and-rescue operations.
- 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: Sikorsky S-55 Target entity description: The Sikorsky S-55 is an early post-World War II American multi-purpose helicopter widely used by military and civilian operators around the world.
-
A.
Sikorsky S-58
The Sikorsky S-58 is an American multi-purpose, medium-lift helicopter widely used from the 1950s onward for both civilian and military roles, including transport, search and rescue, and anti-submarine warfare.
-
B.
Sikorsky V
Sikorsky V is a designated satellite crater on the Moon associated with the larger Sikorsky impact crater.
-
C.
Sikorsky X
Sikorsky X is a designated satellite impact crater located on the Moon near the main Sikorsky crater.
-
D.
Sikorsky VS-300
The Sikorsky VS-300 was an early experimental American helicopter that pioneered the single main rotor with tail rotor configuration that became the standard for most modern helicopters.
-
E.
Sikorsky H-5 helicopter
The Sikorsky H-5 is an early post–World War II American utility and rescue helicopter that played a key role in pioneering rotary-wing military and search-and-rescue operations.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
civil helicopter
ⓘ
helicopter ⓘ military helicopter ⓘ utility helicopter ⓘ |
| capacity |
up to 10 passengers
ⓘ
up to 8 troops ⓘ |
| civilOperators |
airlines
ⓘ
charter companies ⓘ offshore support operators ⓘ |
| configuration | single main rotor ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| crew |
2
ⓘ
3 ⓘ |
| developedFrom |
Sikorsky R-5 family
ⓘ
linked to:
Sikorsky H-19
|
| developedInPeriod | post-World War II ⓘ |
| engineConfiguration | single piston engine ⓘ |
| engineLocation | nose-mounted ⓘ |
| enteredService | early 1950s ⓘ |
| firstFlight | 1949 ⓘ |
| fuselageType | pod-and-boom ⓘ |
| manufacturer |
Sikorsky Aircraft
ⓘ
linked to:
Sikorsky Aircraft (until divestiture)
|
| militaryDesignation |
H-19 Chickasaw
ⓘ
HO4S ⓘ HRS ⓘ |
| notableFeature | engine mounted in nose with cabin under main rotor ⓘ |
| notableFor |
early successful multi-role helicopter design
ⓘ
widespread global use ⓘ |
| powerplantType | radial piston engine ⓘ |
| primaryRole | multi-purpose helicopter ⓘ |
| rotorBlades | 3 ⓘ |
| status |
retired from front-line military service
ⓘ
used in limited civilian roles ⓘ |
| successor | Sikorsky S-58 ⓘ |
| tailRotor | yes ⓘ |
| usedBy |
French armed forces
ⓘ
linked to:
French Armed Forces
Royal Air Force ⓘ Royal Navy ⓘ United States Air Force ⓘ United States Army ⓘ United States Marine Corps ⓘ United States Navy ⓘ many foreign air arms ⓘ |
| usedFor |
anti-submarine warfare
ⓘ
cargo transport ⓘ civilian passenger transport ⓘ medical evacuation ⓘ search and rescue ⓘ troop transport ⓘ |
| usedInConflict |
Korean War
ⓘ
early Cold War operations ⓘ |
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: Sikorsky S-55 Description of subject: The Sikorsky S-55 is an early post-World War II American multi-purpose helicopter widely used by military and civilian operators around the world.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.