Hayward Executive Airport
E148041
Hayward Executive Airport is a public general aviation airport in Hayward, California, serving private, corporate, and charter aircraft in the San Francisco Bay Area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hayward Executive Airport canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T909973 — 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: Hayward Executive Airport Context triple: [Hayward, hasAirport, Hayward Executive Airport]
-
A.
Palmdale Regional Airport
Palmdale Regional Airport is a public airport in Palmdale, California, known for hosting NASA’s SOFIA airborne observatory and other aerospace-related operations.
-
B.
Chico Municipal Airport
Chico Municipal Airport is a public airport serving the city of Chico and the surrounding region in Butte County, California.
-
C.
Addison Airport
Addison Airport is a busy general aviation and reliever airport serving private, corporate, and charter flights in the Dallas–Fort Worth metropolitan area.
-
D.
Gerald R. Ford International Airport
Gerald R. Ford International Airport is the primary commercial airport serving the Grand Rapids metropolitan area and western Michigan.
-
E.
Napa County Airport
Napa County Airport is a public airport serving the Napa Valley region of Northern California, primarily accommodating general aviation and acting as a gateway for visitors to the area's wine country.
- 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: Hayward Executive Airport Target entity description: Hayward Executive Airport is a public general aviation airport in Hayward, California, serving private, corporate, and charter aircraft in the San Francisco Bay Area.
-
A.
Palmdale Regional Airport
Palmdale Regional Airport is a public airport in Palmdale, California, known for hosting NASA’s SOFIA airborne observatory and other aerospace-related operations.
-
B.
Chico Municipal Airport
Chico Municipal Airport is a public airport serving the city of Chico and the surrounding region in Butte County, California.
-
C.
Addison Airport
Addison Airport is a busy general aviation and reliever airport serving private, corporate, and charter flights in the Dallas–Fort Worth metropolitan area.
-
D.
Gerald R. Ford International Airport
Gerald R. Ford International Airport is the primary commercial airport serving the Grand Rapids metropolitan area and western Michigan.
-
E.
Napa County Airport
Napa County Airport is a public airport serving the Napa Valley region of Northern California, primarily accommodating general aviation and acting as a gateway for visitors to the area's wine country.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
airport
ⓘ
general aviation airport ⓘ public-use airport ⓘ |
| airportType | public ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| elevationAboveSeaLevel |
16 meters
ⓘ
52 feet ⓘ |
| FAA LID | HWD ⓘ |
| hasCategory |
Airports in Alameda County, California
ⓘ
Airports in the San Francisco Bay Area ⓘ Transportation in Hayward, California ⓘ |
| hasFacility |
air traffic control tower
ⓘ
aircraft hangars ⓘ aircraft maintenance services ⓘ fixed-base operator ⓘ flight training schools ⓘ |
| hasRunway |
Runway 10L/28R
ⓘ
Runway 10R/28L ⓘ |
| IATA code | HWD ⓘ |
| ICAO code | KHWD ⓘ |
| locatedIn |
Alameda County, California
ⓘ
linked to:
Alameda County
Hayward, California ⓘ
linked to:
Hayward
San Francisco Bay Area ⓘ |
| nearbyCity |
Fremont, California
ⓘ
linked to:
Fremont
Oakland, California ⓘ
linked to:
Oakland
San Leandro, California ⓘ
linked to:
San Leandro
|
| operator |
City of Hayward
ⓘ
linked to:
Hayward
|
| owner |
City of Hayward
ⓘ
linked to:
Hayward
|
| primaryUse | general aviation ⓘ |
| regionServed | East Bay ⓘ |
| runwaySurface | asphalt ⓘ |
| serves |
Hayward, California
ⓘ
linked to:
Hayward
San Francisco Bay Area ⓘ |
| supportsTraffic |
charter aircraft
ⓘ
corporate aircraft ⓘ private aircraft ⓘ |
| timeZone | Pacific Time Zone ⓘ |
| usesDaylightSavingTime | yes ⓘ |
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: Hayward Executive Airport Description of subject: Hayward Executive Airport is a public general aviation airport in Hayward, California, serving private, corporate, and charter aircraft in the San Francisco Bay Area.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.