Course Deviation Indicator (Cdi) - Garmin Diamond DA40 Pilot's Manual

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FLIGHT INSTRUMENTS

COURSE DEVIATION INDICATOR (CDI)

During a heading change of greater than 105˚ with respect to the course, the CDI on the Arc HSI

switches to the opposite side of the deviation scale and displays reverse sensing.

The Course Deviation Indicator (CDI) moves left or right from the course pointer along a lateral deviation

scale to display aircraft position relative to the course. If the course deviation data is not valid, the CDI is not

The CDI can display two sources of navigation, GPS or VOR/LOC. The color indicates the current navigation

source, magenta for GPS and green for VOR and LOC. The full scale limits for the CDI are defined by a GPS-

derived distance when navigating GPS. When navigating using a VOR or localizer (LOC), the CDI uses the

same angular deviation as a mechanical CDI. If the CDI exceeds the maximum deviation on the scale (two dots)

while navigating with GPS, the crosstrack error (XTK) is displayed below the white aircraft symbol.

Figure 2-21 Course Deviation Indicator

Figure 2-22 Navigation Sources

Garmin G1000 Pilot's Guide for the Diamond DA40/40F

190-00592-06 Rev. A

Diamond da40f G1000