题目内容
The pilot controls the aircraft so that the indications on the instrument remain centered on the display. This ensures the aircraft is following the ____ centreline.
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____ guidance, shown on the instrument by the glideslope indicator, aids the pilot in reaching the runway at the proper touchdown point.
Some aircraft possess the ability to route ____ into the autopilot, allowing the approach to be flown automatically by the autopilot.
The localizer provides for ILS facility ____ by periodically transmitting a 1020 Hz morse code identification signal.
The glideslope____no identification signal, so ILS equipment relies on the localizer for identification.
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