Definition
An aeronautical chart designed for flight under Instrument Flight Rules, depicting airways, navigation aids, intersections, minimum altitudes, controlled airspace, and instrument procedures rather than visual landmarks. IFR charts are published by the FAA in two main families: en route charts (low and high altitude) for the cruise portion of flight, and terminal procedure publications containing departure, arrival, and approach charts.
Plain English
A map made for pilots flying by instruments. Instead of showing the ground, it shows the radio routes, fixes, and altitudes that pilots use when they can't rely on looking outside.
Context Anchor
Pilots use IFR charts during instrument training, IFR flight planning, and in the cockpit while navigating on an instrument flight plan.
Derivation
IFR stands for Instrument Flight Rules. The chart is named for the type of flying it supports — flight conducted by reference to cockpit instruments rather than by looking outside.
Why Pilots Care
Allows safe navigation and compliance with ATC instructions when weather or conditions prevent visual flying.
Intuition Check
Do not think of an IFR chart as just a normal map with airports on it. It is built specifically for flying by instruments and procedures, so the information on it is chosen for that job.
Example Sentence 1
Before the cross-country, she pulled up the low-altitude IFR chart to check the airway and the minimum en route altitude.
Example Sentence 2
Before departure she reviewed the IFR chart for any changes to the arrival procedure.