Textron Cessna 172S Skyhawk SP, Information Manual

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SECTION 9 - SUPPLEMENTS
SUPPLEMENT
15 - FAAAPPROVED
CESSNA
MODEL.172S
-
,
NOTE
I •
When REV is selected, the autopilot will flash HOG
for 5 seconds to remind the pilot to reset the HOG
bug to the localizer FRONT COURSE INBOUND
heading. If heading mode was in use at the time
of REV button selection, a 45° intercept angle will .
then be automatically
established based on the
position of the bug. .
I •
All angle intercepts compatible with radar vectors
rnay be accomplished by -selecting ROL mode
PRIOR to pressing theHEV button. The HOG bug
must still be' positioned to the localizer FRONT
COURSE INBOUND heading to provide course
datum to the autopilot when using a DG.
a) If the COl needle is greater than 2 to 3 dots from
center, the autopilot, will annunciate REVARM; when
the computed capture point is reached the ARM
annunciator will go out and the selected back course
will be automatically captured and tracked.
.
b) If the COl needle is less than 2 to 3 dots from center,
the HOG mode' will disengage upon selecting REV
mode; the .REV annunciator will illuminate and the
capture/track sequence will automaticaliy begin.
b. When equipped with HSI:
1) BARO Setting (if installed) -- CHECK.
2) Course Bearing pointer -- SET to the ILS front course
inbound heading.
3) Heading Selector Knob -- SET BUG to provide desired
intercept angle and engage HOG mode.
4) REV Mode Selector Button -- PRESS.
IS15-34
Revision 5