Glenn L. Martin State Airport
E913931
Glenn L. Martin State Airport is a public airport in Middle River, Maryland, serving general aviation and military operations for the Baltimore area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Glenn L. Martin State Airport canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11232754 — 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: Glenn L. Martin State Airport Context triple: [Martin State Airport, alternativeName, Glenn L. Martin State Airport]
-
A.
William T. Piper Memorial Airport
William T. Piper Memorial Airport is a public airport in central Pennsylvania named after the founder of Piper Aircraft, serving general aviation and preserving the region’s aviation heritage.
-
B.
Ellis Municipal Airport
Ellis Municipal Airport is a small public-use airfield serving general aviation needs for the community of Ellis in western Kansas.
-
C.
Lee C. Fine Memorial Airport
Lee C. Fine Memorial Airport is a public airport serving general aviation traffic for the Lake of the Ozarks region in central Missouri.
-
D.
Dayton–Wright Brothers Airport
Dayton–Wright Brothers Airport is a public general aviation airport serving the Dayton, Ohio area, named in honor of aviation pioneers the Wright brothers.
-
E.
Washington Municipal Airport
Washington Municipal Airport is a public general aviation airport serving the city of Washington and surrounding communities in Washington County, Iowa.
- 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: Glenn L. Martin State Airport Target entity description: Glenn L. Martin State Airport is a public airport in Middle River, Maryland, serving general aviation and military operations for the Baltimore area.
-
A.
William T. Piper Memorial Airport
William T. Piper Memorial Airport is a public airport in central Pennsylvania named after the founder of Piper Aircraft, serving general aviation and preserving the region’s aviation heritage.
-
B.
Ellis Municipal Airport
Ellis Municipal Airport is a small public-use airfield serving general aviation needs for the community of Ellis in western Kansas.
-
C.
Lee C. Fine Memorial Airport
Lee C. Fine Memorial Airport is a public airport serving general aviation traffic for the Lake of the Ozarks region in central Missouri.
-
D.
Dayton–Wright Brothers Airport
Dayton–Wright Brothers Airport is a public general aviation airport serving the Dayton, Ohio area, named in honor of aviation pioneers the Wright brothers.
-
E.
Washington Municipal Airport
Washington Municipal Airport is a public general aviation airport serving the city of Washington and surrounding communities in Washington County, Iowa.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
general aviation airport
ⓘ
public airport ⓘ |
| alsoKnownAs | Martin State Airport ⓘ |
| category | reliever airport for Baltimore/Washington International Thurgood Marshall Airport ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| elevationFeet | 21 ⓘ |
| elevationMeters | 6 ⓘ |
| FAAcode | MTN ⓘ |
| hasApronType | general aviation apron ⓘ |
| hasBasedUnits |
175th Wing
ⓘ
Maryland Air National Guard ⓘ |
| hasCommunicationFacility | air traffic control tower ⓘ |
| hasControlTower | yes ⓘ |
| hasFacility |
aircraft maintenance services
ⓘ
flight training services ⓘ hangars ⓘ |
| hasLighting | runway lighting ⓘ |
| hasNavigationAid | instrument approach procedures ⓘ |
| hasRunwayOrientation | approximately north-northwest/south-southeast ⓘ |
| hasWebsite | https://mta.maryland.gov/airport/glenn-l-martin-state-airport ⓘ |
| IATAcode | MTN ⓘ |
| ICAOcode | KMTN ⓘ |
| locatedIn |
Baltimore County, Maryland
ⓘ
linked to:
Baltimore County
Maryland ⓘ Middle River, Maryland ⓘ |
| namedAfter | Glenn L. Martin ⓘ |
| nearbyCity |
Baltimore, Maryland
ⓘ
linked to:
Baltimore, Maryland, United States
|
| operator | Maryland Aviation Administration ⓘ |
| owner |
State of Maryland
ⓘ
linked to:
Maryland
|
| primaryUse | general aviation ⓘ |
| regionServed |
Baltimore County
ⓘ
central Maryland ⓘ
linked to:
Central Maryland
|
| runway | 15/33 ⓘ |
| runwayLengthFeet | 6996 ⓘ |
| runwayLengthMeters | 2133 ⓘ |
| runwaySurface | asphalt ⓘ |
| serves |
Baltimore metropolitan area
ⓘ
linked to:
Baltimore–Washington metropolitan area
|
| servesTrafficType |
civil aviation
ⓘ
military aviation ⓘ |
| supports | military operations ⓘ |
| timezone | Eastern 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: Glenn L. Martin State Airport Description of subject: Glenn L. Martin State Airport is a public airport in Middle River, Maryland, serving general aviation and military operations for the Baltimore area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
MTN