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Which of the following is used to detect the failure in an ILS?(a) Fail safe ILS(b) Radiation monitors(c) ILS detector(d) ILS failure system is not used anywhereThe question was asked in an international level competition.This intriguing question originated from Instrument Landing Systems in division Landing Systems & Air-Traffic Management of Avionics

Answer»

The correct answer is (B) RADIATION monitors

The best explanation: Radiation monitors are used to DETECT ILS failure. They are placed at a particular DISTANCE away from the runway to check for errors in ILS transmission or DRIFT in the frequency of radiation.



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