artificial horizon
Noun
Meaning
a navigational instrument based on a gyroscope; it artificially provides a simulated horizon for the pilot
Source: WordNetSynonyms
flight indicator
gyro horizon
attitude indicator
apparent horizon
sensible horizon
celestial horizon
true horizon
attitude gyro
Hypernyms
Examples
An artificial horizon is useful when the horizon is invisible, as occurs in fog, on moonless nights, in a calm, when sighting through a window or on land surrounded by trees or buildings.
Others prefer to use a lit artificial horizon.