| 摘要 |
Disclosed is a system and method for displaying a Horizontal Situation Indicator (HSI) in which the track is projected along a forward direction, and the heading is displayed in a heading indicator that translates around the periphery of the compass card of the HSI, depending on the heading. The track is displayed at the 12:00 position of the compass card, which refers to the forward direction. The heading indicator includes a numerical display and an arrow, which points toward the center of the compass card. By displaying the HSI so that the track is at the 12:00 position, the pilot may guide the airplane along a ground track without having to mentally convert heading into track, thereby relieving the burden on the pilot.
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