The track-line on the Electronic Horizontal Situation Indicator (EHSI) or Navigation Display of an Electronic Flight Instrument System:
Domanda 111, Radio Navigation - ATPL - Airline Transport Pilot license
| Represents the track of the aircraft over the ground. When it co-incides with the desired track, wind influence is compensated for |
| Corresponds to the calculated IRS TH and is correct during turns |
| Indicates to the pilot that a manually selected heading is being flown |
| Indicates that the pilot has made a manual track selection |
