CESSNA GENERAL
MODEL 152
1 July 1978 1-8
Center of
Gravity (C.G.)
Center of Gravity is the point at which an airplane, or
equipment, would balance if suspended. Its distance from the
reference datum is found dividing the total moment by the total
weight of the airplane
C.G. Arm Center of Gravity Arm is the arm obtained by adding the
airplane’s individual moments and dividing the sum by the total
weight.
C.G. Limits Center of Gravity Limits are the extreme center of gravity
locations within which the airplane must be operated at a given
weight.
Standard
Empty Weight
Standard Empty Weight is the weight of a standard airplane,
including unusable fuel, full operating fluids and full engine oil.
Basic Empty
Weight
Basic Empty Weight is the standard empty weight plus the
weight of optional equipment
Useful Load Useful Load is the difference between takeoff weight and the
basic empty weight.
Maximum
Ramp
Weight
Maximum Ramp Weight is the maximum weight approved for
ground maneuver. (It includes the weight of start, taxi, and
runup fuel
Maximum
Takeoff
Weight
Maximum takeoff Weight is the maximum weight approved for
the start of the takeoff run
Maximum
Landing
Weight
Maximum Landing Weight
is the maximum weight approved
for the landing touchdown
Tare Tare is the weight of chocks, blocks, stands, etc. used in
weighing an airplane, and is included in the scale readings.
Tare is deducted from the scale reading to obtain the actual
(net) airplane weight.
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