Definition
A principle of instrument and display design stating that an indicator should look like and represent the real-world condition it depicts, so the pilot can interpret it intuitively without mental translation. For example, an attitude indicator shows a small aircraft symbol against a horizon line that moves the way the actual horizon would appear through the windshield.
Plain English
Instruments should be designed so they visually mimic what's actually happening outside the aircraft, making them easier and faster to read.
Context Anchor
Seen in discussions of flight simulators, training devices, and visual display systems.
Derivation
From 'pictorial' (picture-like, showing an image) and 'realism' (resembling reality). The term names exactly what it does: an instrument that pictures reality.
Why Pilots Care
Allows faster, more accurate interpretation of instruments during high-workload phases of flight and reduces the chance of misreading critical information.
Intuition Check
Pictorial realism does not mean the simulator flies exactly like the real aircraft. It only describes how realistic the visual scene looks.
Example Sentence 1
The attitude indicator follows the principle of pictorial realism, since the horizon line on the instrument moves just like the real horizon outside.
Example Sentence 2
Engineers chose pictorial realism for the synthetic vision system to make terrain and obstacles appear as they would from the cockpit window.