DC SFRA
E245412
DC SFRA is a highly regulated airspace surrounding Washington, D.C., established for national security that imposes special operating requirements and restrictions on aircraft.
All labels observed (1)
| Label | Occurrences |
|---|---|
| DC SFRA canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2229516 — 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: DC SFRA Context triple: [Washington DC Special Flight Rules Area, alsoKnownAs, DC SFRA]
-
A.
San Francisco Office of Emergency Management
The San Francisco Office of Emergency Management is the city’s lead agency for planning, coordinating, and managing responses to disasters and major emergencies affecting San Francisco.
-
B.
San Francisco Fire Commission
The San Francisco Fire Commission is a civilian oversight body that sets policy and provides governance for the San Francisco Fire Department and related emergency services.
-
C.
San Francisco Department of Homelessness and Supportive Housing
The San Francisco Department of Homelessness and Supportive Housing is a city agency responsible for coordinating and delivering services, housing, and support programs for people experiencing or at risk of homelessness in San Francisco.
-
D.
Government of San Francisco
The Government of San Francisco is the consolidated city-county administration that manages local legislative, executive, and municipal services for San Francisco, California.
-
E.
San Francisco Entertainment Commission
The San Francisco Entertainment Commission is a city agency that regulates and oversees nightlife, entertainment venues, and related permits to balance cultural vibrancy with public safety and neighborhood concerns.
- 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: DC SFRA Target entity description: DC SFRA is a highly regulated airspace surrounding Washington, D.C., established for national security that imposes special operating requirements and restrictions on aircraft.
-
A.
San Francisco Office of Emergency Management
The San Francisco Office of Emergency Management is the city’s lead agency for planning, coordinating, and managing responses to disasters and major emergencies affecting San Francisco.
-
B.
San Francisco Fire Commission
The San Francisco Fire Commission is a civilian oversight body that sets policy and provides governance for the San Francisco Fire Department and related emergency services.
-
C.
San Francisco Department of Homelessness and Supportive Housing
The San Francisco Department of Homelessness and Supportive Housing is a city agency responsible for coordinating and delivering services, housing, and support programs for people experiencing or at risk of homelessness in San Francisco.
-
D.
Government of San Francisco
The Government of San Francisco is the consolidated city-county administration that manages local legislative, executive, and municipal services for San Francisco, California.
-
E.
San Francisco Entertainment Commission
The San Francisco Entertainment Commission is a city agency that regulates and oversees nightlife, entertainment venues, and related permits to balance cultural vibrancy with public safety and neighborhood concerns.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
regulated airspace
ⓘ
special flight rules area ⓘ |
| abbreviation | SFRA ⓘ |
| airspaceClass | mixed controlled and restricted procedures ⓘ |
| appliesTo |
commercial aircraft
ⓘ
general aviation aircraft ⓘ military aircraft with specific procedures ⓘ most VFR operations near Washington, D.C. ⓘ |
| associatedWith |
North American Aerospace Defense Command
ⓘ
surface form:
NORAD
North American Aerospace Defense Command ⓘ Transportation Security Administration ⓘ
surface form:
TSA
Transportation Security Administration ⓘ |
| centeredOn |
KDCA
ⓘ
Ronald Reagan Washington National Airport ⓘ |
| contains |
DC FRZ
ⓘ
Washington, D.C. Flight Restricted Zone ⓘ |
| documentedIn |
Aeronautical Information Manual
ⓘ
surface form:
FAA Aeronautical Information Manual
notices to air missions ⓘ |
| enforcedBy |
Department of Defense
ⓘ
United States Department of Homeland Security ⓘ
surface form:
Department of Homeland Security
FAA ⓘ |
| establishedFor | national security ⓘ |
| fullName |
Washington DC Special Flight Rules Area
ⓘ
surface form:
Washington, D.C. Special Flight Rules Area
|
| hasCenter | Potomac TRACON ⓘ |
| hasEntryRequirement | specific entry and exit procedures ⓘ |
| hasLegalBasis | federal aviation regulations ⓘ |
| hasRadius | approximately 30 nautical miles ⓘ |
| hasSpecialProcedure | DC SFRA training requirement for certain pilots ⓘ |
| hasTypeOfRestriction |
aircraft identification requirements
ⓘ
route limitations ⓘ speed and altitude constraints ⓘ |
| hasViolationConsequence |
certificate action by FAA
ⓘ
civil penalties ⓘ possible interception by military aircraft ⓘ |
| imposes |
communication requirements
ⓘ
special flight plan requirements ⓘ special operating requirements ⓘ transponder requirements ⓘ |
| locatedIn |
United States of America
ⓘ
surface form:
United States
|
| purpose |
mitigate risk of airborne threats
ⓘ
protect sensitive government and military sites ⓘ |
| regulatedBy |
FAA
ⓘ
Federal Aviation Administration ⓘ |
| relatedTo | post-September 11 security measures ⓘ |
| requires |
active flight plan
ⓘ
continuous altitude-reporting Mode C transponder ⓘ discrete transponder code ⓘ two-way radio communication with ATC ⓘ |
| surrounds | Washington, D.C. ⓘ |
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: DC SFRA Description of subject: DC SFRA is a highly regulated airspace surrounding Washington, D.C., established for national security that imposes special operating requirements and restrictions on aircraft.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.