Radio/General navigation combined oral(previous attempt):
-pitot static instruments
-explain static pressure
-TAT>OAT, why?
-explain density error
-mach meter errors
-INS setting/faliures
-Radio altimeter errors
-TCAS TA,RA range
-what is a VOLMET?
-night effect
-sidereal day
-VOR errors
-VOR tracking problem
-VOR-DME co-location criteria
-Glide Slope coverage range
-what is P RNAV
-speed to be maintained when in a DME arc
-grid mora (colours on the chart)
-RL on a Mercator
-Vref speed categories
-converting climb gradient to RoC (the examiner was looking for a rule of thumb formula)
any further inputs on general nav will be appreciated
good luck!