Specifications

CESSNA SECTION 2
MODEL 172R NAV III OPERATING LIMITATIONS
GFC 700 AFCS
U.S.
FAA APPROVED
POWERPLANT INSTRUMENT MARKINGS
Powerplant instrument markings and their color code significance are
shown in Figure 2-3. Operation with indications in the red range is
prohibited. Avoid operating with indicators in the yellow range.
POWERPLANT INSTRUMENT MARKINGS
INSTRUMENT
RED LINE
(MIN)
RED ARC
(LWR)
YELLOW
ARC
GREEN ARC
(NORMAL
OPERATING
RANGE)
RED ARC
(UPR)
Tachometer ---- ---- ---- 1900 to 2400
RPM
2400* to 2700
RPM
Cylinder Head
Temperature
---- ---- ---- 200 to 500°F ----
Oil
Temperature
---- ---- ---- 100 to 245°F 245* to 250°F
Oil Pressure ---- 0 to 20 PSI ---- 50 to 90 PSI 115* to 120
PSI
Fuel Quantity 0 (1.5
Gallons
Unusable
Each
Tank)
---- 0 to 5
Gallons
5 to 24
Gallons
----
Fuel Flow ---- ---- ---- 0 to 11 GPH ----
Vacuum
Indicator
---- ---- ---- 4.5 to 5.5
in.hg.
----
*Maximum operating limit is lower end of red arc.
Figure 2-3
172RPHBUS-00 2-7