Textron Cessna 172S Skyhawk SP, Information Manual

Page: 433 / 491

SECTION'9- SUPPLEMENTS
SUPPLEMENT 19 - FAA APPROVED
GENERAL NOTES
CESSNA
MODEl172S
•• The aeronautical database must be up to date for ,instrument
approach operation,
• Only one approach can be in the flight plan at a time.
• Checking RAIM prediction for your approach while enroute using
the AUX 3 page is recommended. 'A self check occurs
automatically within.2nm of the FAF. APHACTV is'inhibited
without RAIM. ,', . " .
• Data cannot be altered, added to or deleted from the approach
procedures contained in the database. (DME arc intercepts may
be relocated along the arc through the NAV 4 or the FPL 0
pages.)
• Some approach way points do not appear on the approach
plates (including in some instances the FAF) .
• Waypoint suffixes in the flight plan:
i -- IAF
f ~- FAF
m -- MAP
h -- missed approach holding fix.
. • The DME 'arc IAF (arc intercept waypoint) will be on your present
position radial off the.arc VOR when you load the IAF into the
flight plan, or the beginning of the arc if currently on a radial
beyond, the arc' limit.. To adjust- the arc intercept to be
compatible with' a curient radar vector, bring up the arc IAF
waypoint in the' NAV 4 page scanning field or under the cursor'
on the FPL 0 page, press CLR, then ENT,
Fly the arc in LEG.
Adjust the heading bug ,(if autopilot coupled) and CDI course with
reference to the desired track value on the NA V 4 page (it will
flash to remind you). Left/right CDI needle information is relative
to the arc. Displayed distance is not along the arc but direct to
the active waypoint.
(The DME arc radial is also displayed in the
lower right corner of the NAV 4 page.)
IS19-20
Revision 4