14 CFR Part 39, Airworthiness Directives

U.S. Federal Aviation Administration. (2026). 14 CFR Part 39, Airworthiness Directives. Code of Federal Regulations.

Type

Legislation

Intellectual base

Primary research

Year

2026

Link

https://www.ecfr.gov/current/title-14/chapter-I/subchapter-C/part-39

Cited from

philosophy_logic

Cited by

1 citation across 1 artifact.

Each citation links to the sentence it supports in the citing article.

Primes

• Type–Token Distinction
  • The test that separates the two is the survival test — would a correctly built unit of the same part number fail the same way?

    This sourceSection 39.5 issues a directive only where an unsafe condition exists in the product and is likely to exist or develop in other products of the same type design, which is precisely the survival test separating a type-level from a unit-level fault.

Verification

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Registry ID ref:ccf85f5f6e5b · see in the full table