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The final approach path in a satellite landing guidance can be curved(a) True(b) FalseI had been asked this question in unit test.This intriguing question originated from ILS/MLS Coupled Landing System and Automatic Landing in section Autopilots and Flight Management Systems of Avionics

Answer»

Correct option is (a) True

Explanation: Since GPS does not use radio beams to ALIGN the aircraft to the runway center line the final approach PATH need not be limited to straight line APPROACHES, but can be CURVED or stepped, horizontally or vertically. The life cycle costs of a GBAS is also only a fraction of ILS or MLS.



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