1.

Which of the following is supplemented with GPS to provide non-precision and Category I approaches?(a) Primary radar(b) WAAS(c) ILS(d) MLSThis question was addressed to me by my college professor while I was bunking the class.The doubt is from Satellite Landing System topic in division Landing Systems & Air-Traffic Management of Avionics

Answer»

The correct OPTION is (b) WAAS

To explain I would SAY: For non-PRECISION and Category I precision approaches, the limitations by the GPS is mitigated by the FAA’s WIDE Area Augmentation System. It may be supplemented with local differential GPS stations located near runways.



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