Amongst others, SBAS allows for the implementation of...
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:
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Type A has a minima of 250 ft or above
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Type B has a minima below 250 ft.
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