Q. Why is a back azimuth station used in some MLS?

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Q. What is the number of channels in the MLS system?

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Q. Which of the following determines the required transmission power in MLS?

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Q. Using an audio tone to encode angles is an efficient method.

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Q. What is the typical scanning rate of the MLS antenna?

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Q. MLS ESA works on the principle of phase shifting.

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Q. Which of the following is not a reason for not using the basic GPS for landing systems?

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Q. Which of the following is supplemented with GPS to provide non-precision and Category I approaches?

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Q. Which of the following is not true with respect to WAAS?

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Q. Which of the following is required to support Category II and III with DGPS?

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Q. Which of the following errors are not rectified by LDGPS?

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Q. The DME station can supply integrity warnings.

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Q. The accuracy of the SPS code solution is satisfactory for precision approaches.

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Q. The pilot has no other option than to use FLOLS to land the aircraft.

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Q. The relative speed of the aircraft with respect to the carrier deck is _________

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Q. What is the inclination of the glide slope with respect to the moving flight deck?

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Q. Which of the following causes a “burble” at the threshold and along the glide path?

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Q. Wake perturbations are caused by ________

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Q. Aircraft executing missed approach from low altitude is called as ____________

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Q. The ACLS can land an aircraft in zero visibility conditions.

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