beyond-the-horizon surveillance
(рлк.) загоризонтний огляд
(рлк.) загоризонтний огляд
beyond visual range / beyond-visual-range (BVR)
beyond-the-horizon ground-based radar
beyond-the-horizon communication
artificial horizon (gyro horizon/ attitude indicator)
artificial horizon / attitude indicator, gyro-horizon
attitude indicator / artificial horizon, gyro-horizon