CS ACNS.C.PBN.570 Advisory VNAV
ED Decision 2019/011/R
(See AMC1 ACNS.C.PBN.570 and GM1 ACNS.C.PBN.570)
(a) RNP systems that provide advisory VNAV comply with the criteria of this Subsection for barometric VNAV or SBAS/GNSS VNAV:
(1) Advisory VNAV provided within the FAS that is based on barometric altitude meets the intent of the temperature compensation function defined in CS ACNS.C.PBN.525.
(2) When Advisory VNAV is provided and the performance criteria of this Subsection for barometric VNAV or SBAS/GNSS VNAV cannot be met, a clear and unambiguous indication that the VNAV is advisory is provided.
(b) Advisory VNAV is based on a correct path definition:
(1) Either provided by the State’s AIP; or
(2) Through an alternative approved process.
[Issue: CS-ACNS/2]
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