Definition
National defense airspace means airspace established by a regulation prescribed, or an order issued under, 49 U.S.C. 40103(b)(3).
Source: 14 CFR § 1.1 (verbatim from the Federal Aviation Regulations).
Where This Term Is Used
- 14 CFR § 91.225 — § 91.225 Automatic Dependent Surveillance-Broadcast (ADS-B) Out equipment and use.
1 section references this term in their FAR Decoded content.