Textron Cessna Grand Caravan Ex 208B Pilot's Operating Handbook And Faa Approved Airplane Flight Manual page 281

CESSNA
MODEL 208B 867 SHP
GARMIN G1000
CRUISE
(Continued)
These optional systems are designed to prevent ice formation, rather
than removing it after it has formed. Even if the airplane is equipped
with the "Flight Into Known Icing" option, accumulation of some
airframe ice is unavoidable; this will increase airplane weight and drag
and decrease airspeed and general airplane performance. It is always
wise to avoid icing conditions, if practical.
Fuel quantity should be monitored to maintain a balanced fuel
condition. Normally, both FUEL TANK SELECTORS are set to the ON
position and will feed fuel equally from each tank to the fuel reservoir. If
a fuel imbalance condition approaching 200 pounds does occur, the
FUEL TANK SELECTOR for the tank with less fuel should be turned
OFF until the fuel quantity is balanced. With one FUEL TANK
SELECTOR OFF and fuel remaining in the tank being used is less than
approximately 170 lbs (25 gallons), the FUEL SELECT OFF
annunciator will come ON and a warning horn will sound.
Turn IGNITION
precipitation or icing conditions. Refer to Engine
Ignition Procedures in this section for additional
information on use of ignition.
Prolonged zero or negative "G" maneuvers will starve
the engine oil pump and result in engine damage.
Supplemental oxygen should be used by all occupants when cruising
above 12,500 feet. It is often advisable to use oxygen at altitudes lower
than 12,500 feet under conditions of night flying, fatigue, or periods of
physiological or emotional disturbances. Also, the habitual and
excessive use of tobacco or alcohol will usually necessitate the use of
oxygen at less than 10,000 feet.
FAA APPROVED
208BPHCUS-00
WARNING
ON when
CAUTION
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SECTION 4
NORMAL PROCEDURES
flying in heavy
U.S. 4-63