ifr navigationFAA-published sample question (IRH, Aug 2021)
Your avionics system offers advisory VNAV functions, but does not use WAAS or baro-VNAV systems. Which statement is true?
A
You could use your avionics system to execute approaches to LNAV/VNAV minimums.
B
Your avionics system cannot be used to execute approaches to LNAV/VNAV minimums.✓ Correct Answer
C
You could use your avionics system to execute approaches to LNAV/VNAV and LPV minimums.
Explanation
The AIM explains that LNAV/VNAV minima may be flown only with WAAS-capable or approved baro-VNAV equipment; advisory VNAV guidance can be used only as an aid while flying to LNAV minimums. So such a system cannot be used for LNAV/VNAV, and LPV requires WAAS.
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