Remove Instrument Flight Rules Remove Omni-Directional Range Remove Visual Flight Rules
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Drone Lingo Simplified: Acronyms Every Pilot Needs To Know

Pilot Institute

IFR Instrument Flight Rules IFR is the set of rules that allow pilots to fly by reference to instruments in the flight deck when flying by visual reference is not safe. The first is for simple location identification and transmission. VFR requires minimum weather and visibility conditions.

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