Regulation Text
This subpart prescribes flight rules governing the operation of aircraft within the United States and within 12 nautical miles from the coast of the United States.
The short answer
(14 CFR § 91.101) This section sets the scope of Subpart B's flight rules: they govern the operation of aircraft within the United States and within 12 nautical miles from the coast of the United States.
Research Notes
Common Questions
Where do the Subpart B flight rules apply?
Within the United States and within 12 nautical miles from the U.S. coast.
“This subpart prescribes flight rules governing the operation of aircraft within the United States and within 12 nautical miles from the coast of the United States.” — 14 CFR § 91.101
How far offshore do these flight rules reach?
Out to 12 nautical miles from the coast of the United States.
What does § 91.101 actually do?
It is the applicability statement for Subpart B, defining the geographic scope in which that subpart's flight rules govern aircraft operations.
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AOA's Decoded pages are plain-English interpretation for training and reference. They are not legal advice and do not replace the official regulation. Always confirm current requirements against the authoritative source before acting.