Fuel Limitations; Additional Fuel Limitations; Other Limitations; Flap Limitations - Cessna 172R Pilot Operating Handbook

CESSNA
SECTION 2
MODEL 172R
LIMITATIONS
FUEL LIMITATIONS
Total Fuel: 56 U.S. gallons (2 tanks at 28.0 gallons each).
Usable Fuel (all flight conditions): 53.0 U.S. gallons.
Unusable Fuel: 3.0 U.S. gallons (1.5 gallons each tank).
NOTE
To ensure maximum fuel capacity and minimize
cross-
feeding when refueling, always park the airplane in a wings-
level, normal ground attitude and place the fuel selector in
the Left or Right position. Refer to Figure 1-1
for normal
ground attitude definition.
ADDITIONAL FUEL LIMITATIONS
Takeoff and land with the fuel selector valve handle in the BOTH
position.
Maximum slip or skid duration with one tank dry: 30 seconds.
Operation on either LEFT or RIGHT tank limited to level flight only.
With 1/4 tank or less, prolonged uncoordinated flight is prohibited
when operating on either left or right tank.
Fuel remaining in the tank after the fuel quantity indicator reads 0
(red line) cannot be safely used in flight.
Approved Fuel Grades (and Colors):
100LL Grade Aviation Fuel (Blue).
100 Grade Aviation Fuel (Green).
OTHER LIMITATIONS
FLAP LIMITATIONS
Approved Takeoff Range:
00 to 100
Approved Landing Range:
00 to 30°
Dec 2/96
2-11