Textron 172R180HP, Pilot Operating Handbook

Page: 330 / 396

SECTION 9 - SUPPLEMENTS
SUPPLEMENT 5 - FAA APPROVED
NOTE
CESSNA
MODEL 172R
Select HDG mode for DME arc intercepts. NAV or APR
coupled DME arc intercepts can result in excessive
overshoots (aggravated by high ground speeds and/or
intercepts from inside the arc).
AwARNING
FL YING FINAL OUTBOUND FROM AN OFF­
AIRPORT VORT AC ON AN OVERLAY
APPROACH; BEWARE OF THE DME DISTANCE
INCREASING ON FINAL APPROACH, AND THE
GPS DISTANCE-TO-WAYPOINT DECREASING,
AND NOT MATCHING THE NUMBERS ON THE
APPROACH PLATE.
5. At or before 2 nm from the FAF inbound:
a. Select the FAF as the active waypoint, if not accomplished
already.
b. Select LEG operation.
6. Approaching the FAF inbound (within 2 nm):
a. Verify APR ACTV.
b. Note automatic CDI needle scaling change from
±
1.0 nm
to
±
0.3 nm over the 2 nm inbound to the FAF.
c. Internally the KLN 898 will transition from terminal to
approach integrity monitoring.
7. Crossing the FAF and APR ACTV is not annunciated:
a. Do not descend.
b. Execute the missed approach.
8. Missed Approach:
a. Climb.
b. Navigate to the MAP (in APRARM if APR ACTV is not
available).
NOTE
There is no automatic LEG sequencing at the MAP.
I
S5-16
July 15/98