曝光台 注意防骗
网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者
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Figure 19-11. Weight-and-Balance Record—Metric Units
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Figure 19-12. Weight-and-Balance Computation Form—Metric Units
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Figure 19-13. Standard Seating Configuration—Metric Units
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Figure 19-14. Baggage and Cabinet Compartments Standard Weight-and-
Moment Tables—Metric Units
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Figure 19-15. Fuel Loading Table—Metric Units
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Figure 19-16. Center-of-Gravity Limits Envelope Graph—Metric Units
EXAMPLES
GENERAL
The contribution that any loading item makes
to a shift in the aircraft center of gravity depends
upon its distance from the aircraft Basic Empty
Weight center of gravity. Any weight placed in
the aft baggage compartment will shift the center
of gravity aft since it is aft of the typical
Basic Empty Weight center of gravity.
Adding fuel or passengers will shift the center
of gravity forward since they are forward
of the typical Basic Empty Weight center of
gravity. The magnitude of the shift for any
given weight is proportional to the length of
the moment arm from the center of gravity.
SAMPLE LOADING PROBLEM
The following step-by-step procedure illustrates
a logical manner in which to determine
the takeoff weight and center of gravity.
Loading tables can be found in this manual and
in the Weight and Balance Data Sheets.
The Example Center-of-Gravity Limits
Envelope Graph (Figures 19-19 and 19-22) is
an example plot of the fuel burn calculated
from the Example Weight and Balance
Computation Form (Figures 19-18 and 19-21).
NOTE
For the purposes of this sample problem,
weights are rounded to the nearest
whole pound and moment index
to two (2) decimal places for entry
on the Example Weight and Balance
Computation Form.
1. Enter the Basic Empty Weight, moment
index (moment/100 for U.S. Units or moment/
1,000 for Metric Units) and center
of gravity as weighed from the Airplane
Weighing Form (Figure 19-17) on line 1
BASIC EMPTY WEIGHT of the Example
Weight and Balance Computation Form
(Figures 19-18 and 19-21).
2. Determine the moment index for each
passenger using the Crew and Passenger
Weight and Moment Table (see Figures
19-6 and 19-13). Enter the weight and
moment index for each passenger on the
PAYLOAD COMPUTATIONS side of the
Weight and Balance Computation Form
(Figures 19-18 and 19-21).
3. Determine the moment index for any cabinet
contents using the Baggage and
Cabinet Compartments Standard Weight
and Moment Table (see Figures 19-7 and
19-14). Enter the weight and moment
index on the PAYLOAD COMPUTATIONS
side of the Weight and Balance
Computation Form.
4. Determine the moment index for baggage
loading in the nose, toilet seat, and
tail cone compartments using the
Baggage and Cabinet Compartments
Standard Weight and Moment Table (see
Figures 19-7 and 19-14). Enter the weight
and moment index on the PAYLOAD
COMPUTATIONS side of the Weight
and Balance Computation Form.
5. Total the weights and moment indices of
the payload items at the bottom of the
PAYLOAD COMPUTATIONS side of the
Weight and Balance Computation Form
and enter these values on line 2 PAYLOAD
of the Weight and Balance
Computation Form.
6. Enter the sums of the values on lines 1
and 2 onto line 3 ZERO FUEL WEIGHT
of the Weight and Balance Computation
Form.
7. Divide the zero fuel moment index by
the zero fuel weight and multiply by 100
(1,000) to determine the zero fuel weight
center of gravity.
8. Check the zero fuel weight and center of
gravity by locating the weight and center
of gravity on the Example Center-of
Gravity Limits Envelope Graph (Figures
19-19 and 19-22).
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NOTE
Approved points are located below
the maximum zero fuel weight line.
9. Look up the weight of fuel to be used for
the flight and the corresponding moment
index in the Fuel Loading Table (Figures
19-8 and 19-15). Enter the weight and
moment index on line 4 FUEL LOADING
of the Weight and Balance Computation
Form.
10. Enter the sums of the values on lines 3
and 4 onto line 5 RAMP WEIGHT of the
Weight and Balance Computation Form.
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Cessna塞斯纳公务机飞行手册(143)
