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IFR

ATC & Communications

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INSTRUMENT FLIGHT RULES (IFR)

Rules governing the procedures for conducting instrument flight. Also a term used by pilots and controllers to indicate type of flight plan.

Listed in the Pilot/Controller Glossary as a cross-reference to INSTRUMENT FLIGHT RULES (IFR), whose text is shown above.

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

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