Section 901 Pilot’s Operating Handbook
Avidyne IFDs and CDU EXTRA 500
indicator is attached to the bottom edge of the bank angle
pointer.
Horizontal Situation Indicator (HSI)
Magnetic heading is represented in boxed digital form at the top
of the compass rose. Heading rate (Rate of Turn Indicator) takes
the form of a blue arcing arrow that begins behind the magnetic
heading indicator and moves left or right accordingly.
Graduations are provided on the rate of turn indicator scale to
indicate ½ and full standard rate turns. A heading bug is also
provided on the compass rose.
The “ND box” refers to the rectangular section on the lower
half of the PFD pages. Most noticeable on the left IFD where
the upper half is always a PFD view, the ND box is filled based
on what Page Function Key is pressed along the bottom edge of
the IFD bezel.
Figure 901-5
ND Box
901-12 26. January 2011
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