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the wheels.
(5) Retract the jacks fully. Then move the jacks
clear of the airplane.
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D. Rear Fuselage Trestle Point
The trestle for the rear fuselage must have the same profile as the fuselage. Put the trestle
under the rear fuselage in front of the tail skid.
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CHAPTER 08
LEVELING AND WEIGHING
Leveling And Weighing
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TABLE OF CONTENTS
CHAPTER 08-00 LEVELING AND WEIGHING..............................................................................1
1. General ...................................................................................................................1
CHAPTER 08-10 WEIGHING.........................................................................................................1
1. General ...................................................................................................................1
2. Weighing.................................................................................................................3
CHAPTER 08-20 LEVELLING ........................................................................................................1
1. General ...................................................................................................................1
2. Make The Aircraft Level With Jacks .......................................................................1
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CHAPTER 08-00
LEVELING AND WEIGHING
1. General
This Chapter tells you how to weigh the aircraft. And it tells you how to level the aircraft.
Use the procedures in Section 08-10 to weigh the aircraft. And to calculate the Aircraft moment.
Use the procedures in Section 08-20 to level the aircraft.
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CHAPTER 08-10
WEIGHING
1. General
Only operate the aircraft within the permitted range of weight and center of gravity limits. This will
give good flight performance and good handling qualities. It is also necessary for safety.
If you make any changes to the aircraft that will alter the weight (or the center of gravity) , then you
must calculate the new weight of the aircraft. And you must calculate its center of gravity.
Only an approved person can weigh the aircraft. The national airworthiness authority of the country
where the aircraft is registered gives approval for persons to weigh the aircraft. It also gives the
time limits.
Use the weighing report when you do the weight and balance calculations (Refer to Figure 4).
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Figure 1: Level The Aircraft Laterally For Weighing
Figure 2: Level The Aircraft Longitudinally For Weighing
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2. Weighing
You can use mechanical scales or electrical scales to weigh the aircraft. You must obey the
manufacturers' instructions on the scales.
A. Equipment
Items Quantity Part Number
Spirit level 1 Commercial
Plumb line 1 Commercial
Wedge - Slope 1000:55.84 1 Local Manufacture
Before you weigh the aircraft do these items:
− Make sure the aircraft has all its equipment. The equipment must be in the location shown in
the equipment list.
− Defuel the aircraft to the unusable fuel level 2 liters (0.6 US gal). Chapter 12-10.
− Add engine oil and operating fluids up to the maximum level. Chapter 12-10.
− Clean the aircraft and dry it.
− Remove all objects which are not part of the equipment list (for example tools, luggage, etc).
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Legend: X1 = Arm - Datum to center line nose wheel
X2 = Arm - Datum to C/L main wheels (LH and RH)
G1 = Net weight - Nose wheel
　
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