Plain English Meaning

Hiding some of the information on the cockpit display so the screen is easier to read and only shows what the pilot needs right now.

Full Definition

On an electronic flight display, to remove or hide selected information from the screen so that only the data relevant to the current phase of flight or pilot selection remains visible. Decluttering is typically a pilot-selectable function that suppresses items such as terrain shading, traffic symbols, weather overlays, or navigation data to reduce visual workload.

Context Anchor

Seen in instrument flying when using glass cockpit displays, , and other cockpit screens that can show many symbols, labels, and data fields at once.