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CESSNA SECTION 7<br />

MODEL 208B G1000 AIRPLANE AND SYSTEMS DESCRIPTION<br />

FUEL FLOW INDICATION<br />

A fuel flow indicator, located beneath the quantity indicators on both the<br />

ENGINE and SYSTEM pages, indicates the fuel consumption of the<br />

engine in pounds per hour based on Jet A fuel. The indicator measures<br />

the flow of fuel downstream of the fuel control unit just before being<br />

routed into the flow divider. The fuel flow indicator receives power from<br />

a pull-off type circuit breaker labeled F FLOW NP & NG, on the left<br />

sidewall switch and circuit breaker panel.<br />

FUEL QUANTITY INDICATIONS<br />

Fuel quantity is measured by four fuel quantity transmitters (two in each<br />

tank) and indicated by two electrically-operated fuel quantity indicators<br />

on the upper portion of the instrument panel. The fuel quantity<br />

indicators, which measure volume, are calibrated in pounds (based on<br />

the weight of Jet A fuel on a standard day). An empty tank is indicated<br />

by a red line and the letter E. When an indicator shows an empty tank,<br />

approximately 2.8 gallons remain in the tank as unusable fuel. The left<br />

and right fuel quantity indicators each receive power from a pull-off type<br />

circuit breaker. The breakers are labeled LEFT FUEL QTY and RIGHT<br />

FUEL QTY, respectively, and are located on the left sidewall switch and<br />

circuit breaker panel.<br />

WARNING<br />

Because of the relatively long fuel tanks, fuel<br />

quantity indicator accuracy is affected by<br />

uncoordinated flight or a sloping ramp if reading<br />

the indicators while on the ground. Therefore, to<br />

obtain accurate fuel quantity readings, verify that<br />

the airplane is parked in a laterally level condition,<br />

or if in flight, make sure the airplane is in a<br />

coordinated and stabilized condition.<br />

WING TANK FUEL LOW CAUTION CAS MESSAGES<br />

Two float sensors one for each wing tank will trigger the appropriate<br />

amber CAS message, L FUEL LEVEL LOW or R FUEL LEVEL LOW<br />

MSG. when the fuel in the respective tank is 25 gallons (170 lbs) or<br />

less. When the fuel quantity in each tank is less than 25 gallons (170<br />

lbs), amber L-R FUEL LEVEL LOW CAS MSG will replace the<br />

previously displayed L or R FUEL LEVEL LOW CAS message.<br />

208BPHBUS-01<br />

U.S.<br />

7-67

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