Kinds Of Operation Limits; Fuel Limitations - Cessna SKYHAWK 1976 Pilot Operating Handbook

CESSNA
SECTION 2
MODEL 172M LIMITA TIONS
KINDS OF OPERATION LIMITS
The airpJane is equipped for day VFR and may be equipped for night
VFR and/or IFR operations. FAR Part 91 establishes the minimum re­
quired instrumentation and equipment for these operations. The refer­
ence to types of flight operations on the operating limitations placard re­
flects equipment installed at the time of Airworthiness Certificate issuance.
Flight into known icing conditions is prohibited.
FUEL LIMITATIONS
2 Standard Tanks: 21 U. S. gallons each.
Total Fuel: 42 U. S. gallons.
Usable Fuel (all flight conditions): 38 U. S. gallons.
Unusable Fuel: 4.0 U. S. gallons.
2 Long Range Tanks: 26 U. S. gallons each.
Total Fuel: 52 U. S. gallons.
Usable Fuel (all flight conditions): 48 U. S. gallons.
Unusable Fuel: 4. 0 U. S. gallons.
NOTE
To ensure maximum fuel capacity when refueling, place
the fuel selector valve in either LEFT or RIGHT posi­
tion to prevent cross-feeding.
NOTE
Takeoff and land with the fuel selector valve handle in
the BOTH position.
Fuel Grade (and Color): 80/87 Minimum Grade Aviation Fuel (red).
Alternate fuels which are also approved are:
100/130 Low Lead AVGAS (green). (Maximum lead content of 2 cc
per gallon. )
100/130 Aviation Grade Fuel (green). (Maximum lead content of
4. 6 cc per gallon. )
NOTE
When substituting a higher octane fuel, low lead AVGAS
100 should be used whenever possible since it will result
in less lead contamination of the engine.
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