Instrument landing system

The localizer station for runway 27R at Hannover Airport in Germany

Details of five antennas of the ILS at Pisa Airport, Italy

The pilot has to correct to the left and a little upwards.

An instrument landing system (ILS) enables aircraft to land if the pilots are unable to establish visual contact with the runway. It does this by way of transmitted radio signals.

It is defined by the International Telecommunication Union as a service provided by a station as follows:

单词	Localizer antenna
释义	Localizer antenna 英语百科 Instrument landing system An instrument landing system (ILS) enables aircraft to land if the pilots are unable to establish visual contact with the runway. It does this by way of transmitted radio signals. It is defined by the International Telecommunication Union as a service provided by a station as follows:
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Localizer antenna

Instrument landing system