14 CFR § 99.41 - General.

---
identifier: "/us/cfr/t14/s99.41"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 99.41 - General."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "99.41"
section_name: "General."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "F"
subchapter_name: "AIR TRAFFIC AND GENERAL OPERATING RULES"
part_number: "99"
part_name: "SECURITY CONTROL OF AIR TRAFFIC"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 106(g), 40101, 40103, 40106, 40113, 40120, 44502, 44721."
regulatory_source: "Docket 25113, 53 FR 18217, May 20, 1988, unless otherwise noted."
cfr_part: "99"
---


# 99.41 General.

The airspace above the areas described in this subpart is established as an ADIZ. The lines between points described in this subpart are great circles except that the lines joining adjacent points on the same parallel of latitude are rhumb lines.

[69 FR 16756, Mar. 30, 2004]