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Amongst others, SBAS allows for the implementation of...

  • A

    two dimensional precision and non-precision approaches.

  • B

    three dimensional Type-A and Type-B approaches.

  • C

    one dimensional Baro-VNAV approaches.

  • D

    four dimensional FMS approaches..

Satellite Based Augmentation System (SBAS) with all the augmentation capabilities is able to offer approach and landing guidance operations with sufficient accuracy for CAT I precision approaches. The approach is aided by a vertical guidance service to aid the vertical profile of the approach.

SBAS allows the implementation of three-dimensional Type A and Type B approaches, and it can provide approach procedure with vertical guidance (APV).

According to the new ICAO classification:

  • Type A has a minima of 250 ft or above

  • Type B has a minima below 250 ft.

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