14 CFR Part 21
E858063
14 CFR Part 21 is a key U.S. Federal Aviation Administration regulation that governs the certification procedures for aircraft and related aviation products and parts.
All labels observed (5)
| Label | Occurrences |
|---|---|
| 14 CFR Part 21 canonical | 1 |
| FAA Part 21 | 1 |
| Subpart B – Type Certificates | 1 |
| Subpart H – Airworthiness Certificates | 1 |
| Subpart I – Provisional Airworthiness Certificates | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10363380 — 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: 14 CFR Part 21 Context triple: [Title 14 of the Code of Federal Regulations, hasPart, 14 CFR Part 21]
-
A.
FAA Part 23
FAA Part 23 is a set of U.S. Federal Aviation Administration airworthiness standards that governs the design and certification of small airplanes.
-
B.
14 CFR Part 67
14 CFR Part 67 is the section of U.S. aviation regulations that sets the medical standards and certification requirements for pilots and airmen.
-
C.
14 CFR Part 141
14 CFR Part 141 is a section of U.S. aviation regulations that sets standards and requirements for FAA-approved pilot schools and their training programs.
-
D.
14 CFR Part 129
14 CFR Part 129 is a section of the U.S. aviation regulations that sets operating requirements for foreign air carriers and foreign operators conducting flights to and from the United States.
-
E.
FAA Part 33
FAA Part 33 is the U.S. Federal Aviation Administration regulation that sets airworthiness standards and certification requirements for aircraft engines.
- 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: 14 CFR Part 21 Target entity description: 14 CFR Part 21 is a key U.S. Federal Aviation Administration regulation that governs the certification procedures for aircraft and related aviation products and parts.
-
A.
FAA Part 23
FAA Part 23 is a set of U.S. Federal Aviation Administration airworthiness standards that governs the design and certification of small airplanes.
-
B.
14 CFR Part 67
14 CFR Part 67 is the section of U.S. aviation regulations that sets the medical standards and certification requirements for pilots and airmen.
-
C.
14 CFR Part 141
14 CFR Part 141 is a section of U.S. aviation regulations that sets standards and requirements for FAA-approved pilot schools and their training programs.
-
D.
14 CFR Part 129
14 CFR Part 129 is a section of the U.S. aviation regulations that sets operating requirements for foreign air carriers and foreign operators conducting flights to and from the United States.
-
E.
FAA Part 33
FAA Part 33 is the U.S. Federal Aviation Administration regulation that sets airworthiness standards and certification requirements for aircraft engines.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Code of Federal Regulations part
ⓘ
U.S. federal aviation regulation ⓘ |
| appliesTo |
aircraft
ⓘ
aircraft engines ⓘ aircraft parts ⓘ appliances ⓘ propellers ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| enforcedBy |
FAA Aircraft Certification Service
ⓘ
linked to:
FAA
|
| hasSubpart |
Subpart A – General
ⓘ
Subpart B – Type Certificates ⓘ
linked to:
14 CFR Part 21
Subpart C – Provisional Type Certificates ⓘ Subpart D – Changes to Type Certificates ⓘ Subpart E – Supplemental Type Certificates ⓘ Subpart F – Production Under Type Certificate Only ⓘ Subpart G – Production Certificates ⓘ Subpart H – Airworthiness Certificates ⓘ
linked to:
14 CFR Part 21
Subpart I – Provisional Airworthiness Certificates ⓘ
linked to:
14 CFR Part 21
Subpart J – Delegation Option Authorization ⓘ Subpart K – Parts Manufacturer Approvals ⓘ Subpart L – Technical Standard Order Authorizations ⓘ Subpart M – Repairmen Certificates ⓘ Subpart N – Special Flight Permits ⓘ Subpart O – Export Airworthiness Approvals ⓘ Subpart P – Import Aircraft and Related Products ⓘ |
| jurisdiction |
United States
ⓘ
linked to:
United States of America
|
| legalBasis | Federal Aviation Act of 1958 ⓘ |
| partOf | Title 14 of the Code of Federal Regulations ⓘ |
| purpose |
to prescribe procedural requirements for issuing airworthiness certificates
ⓘ
to prescribe procedural requirements for issuing and changing design approvals ⓘ to prescribe procedural requirements for issuing and changing production approvals ⓘ to prescribe procedural requirements for issuing export approvals ⓘ |
| regulator | Federal Aviation Administration ⓘ |
| requires | demonstration of compliance with applicable airworthiness standards ⓘ |
| subject |
airworthiness certificates
ⓘ
airworthiness certification ⓘ approval of parts and appliances ⓘ experimental certificates ⓘ export airworthiness approvals ⓘ import of aircraft and related products ⓘ production certification ⓘ provisional airworthiness certificates ⓘ provisional type certificates ⓘ supplemental type certificates ⓘ technical standard order authorizations ⓘ type certification of aircraft ⓘ type certification of aircraft engines ⓘ type certification of propellers ⓘ |
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: 14 CFR Part 21 Description of subject: 14 CFR Part 21 is a key U.S. Federal Aviation Administration regulation that governs the certification procedures for aircraft and related aviation products and parts.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 14 CFR Part 21
linked to: 14 CFR Part 21
linked to: 14 CFR Part 21
linked to: 14 CFR Part 21