CESSNA SECTION 4
MODEL T182T NAV III NORMAL PROCEDURES
GFC 700 AFCS
U.S.
CRUISE (Continued)
LEANING USING TURBINE INLET TEMPERATURE (T.I.T.)
(Continued)
At maximum cruise power settings, the 1685°F limit (lower end of red
arc) T.I.T. may occur before reaching peak T.I.T. In this case, enrichen
the mixture from lower end of red arc 50°F for recommended lean
mixture. Any change in altitude or power setting will require a change in
the recommended lean mixture setting and a recheck of the T.I.T.
setting.
As noted in the T.I.T. Table, Figure 4-4, operation at peak T.I.T. provides
the best fuel economy. This results in approximately 5% greater range
than shown in this POH accompanied by a 4 knot decrease in speed.
Under some conditions, engine roughness may occur while operating
at peak T.I.T. In this case, operate at the recommended lean mixture.
TURBINE INLET TEMPERATURE (T.I.T.)
Figure 4-4
OPERATION ON THE LEAN SIDE OF PEAK T.I.T. IS NOT
APPROVED.
(Continued Next Page)
MIXTURE DESCRIPTION
TURBINE INLET
TEMPERATURE (T.I.T.)
RECOMMENDED LEAN
(Pilot’s Operating Handbook)
50°F Rich of Peak T.I.T.
BEST ECONOMY Peak T.I.T.
BEST POWER 125°F Rich of Peak T.I.T.
T182TPHBUS-01 4-37
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