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Air Navigation, chapter 13
Bearings, RMI and the CDI
StartLesson 1 of 6
QDM, QDR and Ground D/F Bearings
Read QDM, QDR, QTE and QUJ from one plan view and apply the correct reciprocal without swapping to and from the station.
Chapter lessons
1QDM, QDR and Ground D/F BearingsRead QDM, QDR, QTE and QUJ from one plan view and apply the correct reciprocal without swapping to and from the station.2Relative Bearings and the RBIRead relative bearing clockwise from the aircraft nose and combine it with magnetic heading to find QDM.3Reading the RMIRead heading, two needle heads and two needle tails from a rotating-card RMI without applying RBI arithmetic twice.4Radials, TO/FROM and the CDISeparate aircraft position from selected course, predict TO or FROM and interpret CDI displacement without reverse sensing.5ILS Dots and DeviationsConvert localizer and glide-slope dots into angular deviation and relate each indication to the aircraft's plan or profile position.6TCAS and GPWSDistinguish TCAS traffic and resolution advisories from GPWS and EGPWS terrain warnings, then choose the required pilot response.