This is the current revision of Instrument Flight Rules as edited by DavidB4-bot(Talk | contribs) at 00:58, June 28, 2016. This URL is a permanent link to this version of this page.
Instrument Flight Rules, also known as "IFR", are rules governing flight procedures during limited visibility or other operational constraints. Under IFR, pilots must file a flight plan and fly under the guidance of radar.