CS ACNS.C.PBN.570 Advisory VNAV

• ED Decision 2019/011/R found in: GM Remote Aerodrome Air Traffic Services (ED 2019/004/R) Issue 2 (Jul 2020)

CS ACNS.C.PBN.570 Advisory VNAV ED Decision 2019/011/R (See [AMC1 ACNS.C.PBN.570](#_DxCrossRefBm573002573) and [GM1 ACNS.C.PBN.570](#_DxCrossRefBm573002572)) (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](#_DxCrossRefBm573002541). (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]