Non precision approaches

Question 1

Circling

Answer 1

Highest minimums, requires circling in the traffic pattern to a runway the approach didn’t line you up for.

Question 2

LNAV

Answer 2

Lateral navigation, no vertical guidance, has an mda, most basic.

Question 3

LNAV/VNAV

Answer 3

Lateral and vertical guidance, vertical guidance comes from an altimeter (baro assisted approach) we follow a glide path down to a DA which can be lower than a DA

Question 4

LPV

Answer 4

Localizer performance with vertical guidance. Gets more sensitive as we get closer. Vertical guidance is accurate enough to follow a glide path. Must be WAAS enabled.