Skip to content
Define AviationCFI lesson plans to teach aviation lessons

DEVIATION

Weather Services

All definitions
« Back to Glossary Index

A departure from a current clearance, such as an off course maneuver to avoid weather or turbulence. Where specifically authorized in the CFRs and requested by the pilot, ATC may permit pilots to deviate from certain regulations.

Source FAA Pilot/Controller Glossary · checked 2026-08-25

« Back to Glossary Index

More in Weather Services

Enjoying Define Aviation ad-free?

Chip in and ads disappear right away in this browser — cancel anytime, no account needed.

Secure checkout via Stripe — Apple Pay, Google Pay, and cards.