Definition
On an ARTS III or DBRITE radar display, the preview area is a designated portion of the screen used to display alphanumeric data — such as aircraft identification, altitude, or flight plan information — before that data is associated with a specific radar target on the main display.
Plain English
A small zone on the controller's radar screen where flight information is shown temporarily before being attached to the right aircraft blip.
Context Anchor
Seen in diagrams and discussions of ATC radar displays, especially ARTS III and DBRITE tower radar presentations.
Derivation
From 'preview' (Latin prae- 'before' + videre 'to see') — literally 'to see beforehand.' The name fits: the area shows information before it is linked to a target on the screen.
Why Pilots Care
Pilots don't interact with the preview area directly, but understanding what controllers see helps explain delays or clarifications during radar identification and tag-up procedures.
Grounding Statement
The preview area is part of the radar display, not a place in the sky.
Intuition Check
Do not read “preview area” as an airspace area the airplane enters. Here it means a section of the controller’s radar screen used to show selected information early or separately.
Example Sentence 1
The controller saw the new flight plan information appear in the preview area of the ARTS III display before tagging it to the correct radar target.
Example Sentence 2
Flight plan information first appeared in the preview area on the DBRITE display.