题目内容
词汇与结构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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词汇与结构____ guidance, shown on the instrument by the glideslope indicator, aids the pilot in reaching the runway at the proper touchdown point.
词汇与结构Some aircraft possess the ability to route ____ into the autopilot, allowing the approach to be flown automatically by the autopilot.
词汇与结构The localizer provides for ILS facility ____ by periodically transmitting a 1020 Hz morse code identification signal.
词汇与结构Modern localizer antennas are highly directional. However, usage of older, less directional antennas allows a runway to have a ____ approach called a localizer back course.
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