14 CFR · Part 99
14 CFR § 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.
Reflects the eCFR edition current as of October 15, 2026. Retrieved from ecfr.gov on October 29, 2026.
Primary Source