Cessna 172SPHUSR05 Pilot Operating Handbook page 386

SECTION 9 - SUPPLEMENTS
SUPPLEMENT 1 3 - FAA APPROVED
14
7
8
12
11
Figure 1. Horizontal Situation Indicator System (Sheet 1 of 2)
1. HORIZONTAL SITUATION INDICATOR ( HSI) -- Provides a
pictorial presentation of aircraft deviation relative to VOR/GPS
radials and localizer beams.
deviations and gives heading reference with respect to
magnetic north.
driven
2. NAV FLAG -- Flag is in view when the NAV receiver signal is
inadequate.
3. HEADING RE FERENCE (LU B BER LINE) -- Magnetic heading
appears under this line when the compass card is slaved or
slewed to the aircraft's magnetic heading.
4. HEADING WARNING FLAG ( HOG) - - When flag is in view, the
heading display is invalid.
5. COURSE SELECT POINTER -- Indicates VOR/Localizer or
GPS course on the compass card. The selected VOR radial
or localizer heading remains set on the compass card when
the compass card rotates.
1
2
3
15
It also displays glide slope
The gyro is remote-mounted and electric­
MODEL 172S
10
1 3
CESSNA
6
7
8
I
I