Washington DC Special Flight Rules Area
E48730
The Washington DC Special Flight Rules Area is a highly restricted airspace zone around the U.S. capital that imposes stringent security-related operating requirements on aircraft.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T383867 — 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: Washington DC Special Flight Rules Area Context triple: [United States airspace, notableRestriction, Washington DC Special Flight Rules Area]
-
A.
Dulles, Virginia
Dulles, Virginia is an unincorporated community in Loudoun County best known as the location of Washington Dulles International Airport, a major airport serving the Washington, D.C. metropolitan area.
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B.
Metropolitan Washington Airports Authority
The Metropolitan Washington Airports Authority is an independent regional agency that manages and operates major airports serving the Washington, D.C. metropolitan area.
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C.
Ronald Reagan Washington National Airport
Ronald Reagan Washington National Airport is a major commercial airport serving the Washington, D.C. metropolitan area, located in Arlington, Virginia just across the Potomac River from the U.S. capital.
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D.
Washington Dulles International Airport
Washington Dulles International Airport is a major international airport serving the Washington, D.C. metropolitan area, known for its extensive global flight network and iconic Eero Saarinen–designed terminal.
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E.
Washington Air Route Traffic Control Center
Washington Air Route Traffic Control Center is a Federal Aviation Administration facility responsible for managing and coordinating en route air traffic over a large portion of the mid-Atlantic region of the United States.
- 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: Washington DC Special Flight Rules Area Target entity description: The Washington DC Special Flight Rules Area is a highly restricted airspace zone around the U.S. capital that imposes stringent security-related operating requirements on aircraft.
-
A.
Dulles, Virginia
Dulles, Virginia is an unincorporated community in Loudoun County best known as the location of Washington Dulles International Airport, a major airport serving the Washington, D.C. metropolitan area.
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B.
Metropolitan Washington Airports Authority
The Metropolitan Washington Airports Authority is an independent regional agency that manages and operates major airports serving the Washington, D.C. metropolitan area.
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C.
Ronald Reagan Washington National Airport
Ronald Reagan Washington National Airport is a major commercial airport serving the Washington, D.C. metropolitan area, located in Arlington, Virginia just across the Potomac River from the U.S. capital.
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D.
Washington Dulles International Airport
Washington Dulles International Airport is a major international airport serving the Washington, D.C. metropolitan area, known for its extensive global flight network and iconic Eero Saarinen–designed terminal.
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E.
Washington Air Route Traffic Control Center
Washington Air Route Traffic Control Center is a Federal Aviation Administration facility responsible for managing and coordinating en route air traffic over a large portion of the mid-Atlantic region of the United States.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
airspace
ⓘ
aviation security zone ⓘ special flight rules area ⓘ |
| abbreviation | SFRA ⓘ |
| alsoKnownAs | DC SFRA ⓘ |
| appliesTo |
IFR operations
ⓘ
most VFR operations ⓘ |
| centeredOn | Ronald Reagan Washington National Airport ⓘ |
| centerReference |
DCA
ⓘ
surface form:
DCA VOR/DME
|
| codifiedIn |
14 CFR Part 93
ⓘ
NOTAMs applicable to the Washington, DC area ⓘ |
| contains |
Washington DC Special Flight Rules Area
self-linksurface differs
ⓘ
surface form:
Washington DC Flight Restricted Zone
Washington DC Special Flight Rules Area self-linksurface differs ⓘ
surface form:
Washington DC Metropolitan Area Air Defense Identification Zone
|
| country |
United States of America
ⓘ
surface form:
United States
|
| encompasses |
Washington, D.C.
ⓘ
parts of Maryland ⓘ parts of Virginia ⓘ |
| establishedAfter | September 11 attacks ⓘ |
| establishedYear | 2003 ⓘ |
| exempts |
approved law enforcement aircraft
ⓘ
certain military aircraft ⓘ |
| fullName |
Washington DC Special Flight Rules Area
self-linksurface differs
ⓘ
surface form:
Washington, DC Special Flight Rules Area
|
| governingBody | Federal Aviation Administration ⓘ |
| includesAirport |
Baltimore/Washington International Thurgood Marshall Airport
ⓘ
Washington Dulles International Airport ⓘ numerous general aviation airports ⓘ |
| locatedIn |
Washington metropolitan area
ⓘ
surface form:
Washington, D.C. metropolitan area
|
| operationalRequirement | strict adherence to published SFRA procedures ⓘ |
| primaryAirport | Ronald Reagan Washington National Airport ⓘ |
| radius | approximately 30 nautical miles ⓘ |
| regulatingAuthority |
United States Department of Homeland Security
ⓘ
surface form:
Department of Homeland Security
North American Aerospace Defense Command ⓘ Transportation Security Administration ⓘ United States Secret Service ⓘ |
| relatedTo |
Air Defense Identification Zone
ⓘ
Washington DC Special Flight Rules Area self-linksurface differs ⓘ
surface form:
Washington DC Flight Restricted Zone
|
| requires |
continuous two‑way radio communication with ATC
ⓘ
discrete transponder code with altitude reporting ⓘ special pilot training ⓘ specific flight plan filing ⓘ strict identification of aircraft and occupants ⓘ |
| securityLevel | highly restricted ⓘ |
| securityPurpose |
prevention of airborne terrorist attacks
ⓘ
protection of the U.S. national capital region ⓘ |
| shape | roughly circular ⓘ |
| violationConsequences |
certificate action against pilots
ⓘ
civil penalties ⓘ interception by military aircraft ⓘ possible criminal charges ⓘ |
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: Washington DC Special Flight Rules Area Description of subject: The Washington DC Special Flight Rules Area is a highly restricted airspace zone around the U.S. capital that imposes stringent security-related operating requirements on aircraft.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Washington, D.C. Special Flight Rules Area
Washington DC Special Flight Rules Area
→
fullName
→
Washington DC Special Flight Rules Area
self-linksurface differs
ⓘ
this entity surface form:
Washington, DC Special Flight Rules Area
Washington DC Special Flight Rules Area
→
contains
→
Washington DC Special Flight Rules Area
self-linksurface differs
ⓘ
this entity surface form:
Washington DC Flight Restricted Zone
Washington DC Special Flight Rules Area
→
contains
→
Washington DC Special Flight Rules Area
self-linksurface differs
ⓘ
this entity surface form:
Washington DC Metropolitan Area Air Defense Identification Zone
Washington DC Special Flight Rules Area
→
relatedTo
→
Washington DC Special Flight Rules Area
self-linksurface differs
ⓘ
this entity surface form:
Washington DC Flight Restricted Zone
this entity surface form:
Washington, D.C. airspace region
this entity surface form:
Washington, D.C. Special Flight Rules Area
this entity surface form:
National Capital Region airspace
this entity surface form:
Washington, D.C. Special Flight Rules Area
subject surface form:
College Park Airport
this entity surface form:
Washington, D.C. Flight Restricted Zone
this entity surface form:
Washington, D.C. Flight Restricted Zone
this entity surface form:
Washington, D.C. metropolitan area airspace