Cessna 172S Pilot Operating Handbook page 120

SECTION 9 - SUPPLEMENTS
SUPPLEMENT 10
There is no change to basic airplane normal operating
procedures with the KLN 8 9 GPS installed.
There is no change to the airplane performance when the KLN
8 9 GPS is installed. However, installation of an externally-mounted
antenna or related external antennas may result in a minor
reduction in cruise performance.
S10- 4
FAA APPROVED
-
SECTION
NORMAL PROCEDURES
SECTION 5
PERFORMANCE
MODEL 172S
4
CESSNA