Plain English Meaning

A small marker on the altitude display that shows where you will be in altitude in a few seconds if you keep climbing or descending at the same rate. It helps you stop exactly on your target altitude instead of overshooting it.

Full Definition

Visual cues on an electronic primary flight display (PFD) altitude tape that show the predicted altitude the aircraft will reach within a short look-ahead period (typically the next six seconds) if the current vertical speed is maintained. They are usually shown as a magenta or cyan trend vector or arrow extending up or down the altitude tape from the current altitude.

Context Anchor

Seen on glass-cockpit altitude displays and in instrument flying discussions about .