St. Clair County International Airport
E478578
St. Clair County International Airport is a public airport serving general aviation and regional air traffic for St. Clair County in eastern Michigan near the Canadian border.
All labels observed (1)
| Label | Occurrences |
|---|---|
| St. Clair County International Airport canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4909165 — 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: St. Clair County International Airport Context triple: [St. Clair County, Michigan, hasAirport, St. Clair County International Airport]
-
A.
Wayne County Airport
Wayne County Airport is a public airport in Ohio that provides general aviation services to the city of Wooster and the surrounding Wayne County region.
-
B.
Porter County Regional Airport
Porter County Regional Airport is a public-use airport serving general aviation needs in Porter County in northwestern Indiana.
-
C.
Dryden Regional Airport
Dryden Regional Airport is a small public airport serving the city of Dryden and the surrounding region in northwestern Ontario, Canada.
-
D.
Genesee County Airport
Genesee County Airport is a public general aviation airport serving the Genesee County region in western New York State.
-
E.
Chippewa County International Airport
Chippewa County International Airport is a public airport in Michigan’s Upper Peninsula that provides commercial and general aviation services to the surrounding Chippewa County region.
- 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: St. Clair County International Airport Target entity description: St. Clair County International Airport is a public airport serving general aviation and regional air traffic for St. Clair County in eastern Michigan near the Canadian border.
-
A.
Wayne County Airport
Wayne County Airport is a public airport in Ohio that provides general aviation services to the city of Wooster and the surrounding Wayne County region.
-
B.
Porter County Regional Airport
Porter County Regional Airport is a public-use airport serving general aviation needs in Porter County in northwestern Indiana.
-
C.
Dryden Regional Airport
Dryden Regional Airport is a small public airport serving the city of Dryden and the surrounding region in northwestern Ontario, Canada.
-
D.
Genesee County Airport
Genesee County Airport is a public general aviation airport serving the Genesee County region in western New York State.
-
E.
Chippewa County International Airport
Chippewa County International Airport is a public airport in Michigan’s Upper Peninsula that provides commercial and general aviation services to the surrounding Chippewa County region.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
airport
ⓘ
general aviation airport ⓘ public airport ⓘ |
| airportType | public-use ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | St. Clair County, Michigan NERFINISHED ⓘ |
| DST observed | yes ⓘ |
| elevation (feet) | 650 ⓘ |
| elevation (meters) | 198 ⓘ |
| FAA LID | PHN NERFINISHED ⓘ |
| hasBasedAircraft | yes ⓘ |
| hasControlTower | no ⓘ |
| hasCustomsServices | yes ⓘ |
| hasFixedBaseOperator | yes ⓘ |
| hasFuelServices | yes ⓘ |
| hasHangars | yes ⓘ |
| hasInstrumentApproaches | yes ⓘ |
| hasInternationalCapabilities | yes ⓘ |
| hasTerminalBuilding | yes ⓘ |
| IATA code | PHN NERFINISHED ⓘ |
| ICAO code | KPHN NERFINISHED ⓘ |
| locatedIn | eastern Michigan NERFINISHED ⓘ |
| locatedNear | Canadian border ⓘ |
| nearCity | Port Huron, Michigan NERFINISHED ⓘ |
| operator | St. Clair County NERFINISHED ⓘ |
| owner | St. Clair County NERFINISHED ⓘ |
| primaryUse | general aviation ⓘ |
| region | Great Lakes region NERFINISHED ⓘ |
| runway |
Runway 10/28
ⓘ
Runway 4/22 ⓘ |
| runway 10/28 length (feet) | 4251 ⓘ |
| runway 10/28 length (meters) | 1296 ⓘ |
| runway 4/22 length (feet) | 5351 ⓘ |
| runway 4/22 length (meters) | 1631 ⓘ |
| runway 4/22 surface | asphalt ⓘ |
| serves | St. Clair County, Michigan NERFINISHED ⓘ |
| servesTrafficType |
general aviation
ⓘ
regional air traffic ⓘ |
| state |
Michigan (most of state)
ⓘ
surface form:
Michigan
|
| supportsGeneralAviationServices | yes ⓘ |
| timezone |
America/Detroit
ⓘ
Eastern Time Zone ⓘ |
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: St. Clair County International Airport Description of subject: St. Clair County International Airport is a public airport serving general aviation and regional air traffic for St. Clair County in eastern Michigan near the Canadian border.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.