BY ORDER OF THE SECRETARY OF THE AIR FORCE AIR FORCE ...

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AFMAN 11-217V1 3 JANUARY 2005
Figure 7.4. Inbound Course Interceptions (RMI Only).
7.4.2.3.2. HSI. Turn in the shorter direction toward the CDI. The shorter
direction is displayed by the aircraft symbol and CDI relationship. Continue the
turn to place the head of the course arrow in the top half of the instrument case.
This precludes an intercept angle in excess of 90°. Roll out of the turn when the
bearing pointer is between the upper lubber line and the head of the course arrow
to establish an intercept heading. Displacing the bearing pointer 30° from the
upper lubber line will normally ensure a moderate rate of intercept. The aircraft
symbol will appear to be proceeding toward the CDI at an intercept angle equal to
the angle formed between the upper lubber line and the head of the course arrow.
The angle of intercept must be greater than the number of degrees off course, but