Definition
A printed or digital map used in aviation to display geographic, navigational, and aeronautical information needed to plan and conduct a flight. Aeronautical charts depict terrain, airports, airspace boundaries, navigation aids, communication frequencies, obstacles, and other features relevant to flight operations.
Plain English
A specialized map made for pilots. Instead of just showing roads and cities, it shows the things a pilot needs to fly safely — like airports, radio towers, restricted areas, and the height of the ground.
Context Anchor
Pilots use charts during preflight planning, while navigating in flight, and when reviewing FAA flight information.
Derivation
From the Latin charta, meaning 'a sheet of paper' or 'a written document.' The same root gives us 'chart' and 'card.' In aviation, the word kept its sense of an organized sheet of information rather than just a generic map.
Why Pilots Care
Charts provide the essential visual reference for safe route planning, obstacle avoidance, and compliance with airspace rules.
Intuition Check
Do not think of a chart as just any picture or graph. In aviation, a chart is a flight map made for pilot use, with specific information needed for navigation and safety.
Example Sentence 1
Before takeoff, the pilot reviewed the sectional chart to identify the airspace and terrain along the route.
Example Sentence 2
She reviewed the approach chart to confirm the minimum descent altitude for the runway.