Civil Aviation Act, 2009 (Act No. 13 of 2009)RegulationsCivil Aviation Regulations, 2011Part 91 : General Aviation and Operating Flight RulesSubpart 5 : Communication and Navigation91.05.4 Operational criteria for use of RNAV/BARO VNAV systems |
| (1) | No person may conduct RNAV/BARO vertical navigation (VNAV) operations unless approved by the Director in terms of the operational provisions specified in Document SA-CATS 91. |
| (2) | An aircraft equipped with a RNAV/BARO VNAV system approved by the Director for the appropriate level of RNAVIBARO VNAV operations, may be used to conduct RNAV/BARO VNAV approaches if— |
| (a) | the RNAV/BARO VNAVequipment is serviceable; |
| (b) | the aircraft and aircraft systems are appropriately certified for the intended RNAV/BARO VNAV approach operations and the aircraft is equipped with an integrated LNAV system with an accurate source of barometric altitude; and |
| (c) | the VNAV altitudes and all relevant procedural and navigational information are retrieved from a current navigation database whose integrity is supported by approved appropriate quality assurance measures. |