SERVICE MANUAL & ICA
8750 AMPHIBIAN/SEAPLANE FLOATS ON CESSNA 208/208B
P/N 1005723 Doc. No. W8750-24-01
Page 96 of 104
Revision C
9.4: WEIGHING PROCEDURES FOR CESSNA 208/208B, CARAVAN
Level aircraft per manufacturer’s instructions or use the cabin door lower sill.
Place scales under the right and left main and nose gears.
Place blocking under the right and left main gears to level aircraft.
Draw lines on the floor from the centerline main wheels and centerline nose wheel left to right.
Drop a plumb bob from the face of the firewall. This is station 100.00. Measure 100.00 inches
forward of this point, this is the datum, 0.0.
Draw another line between the nose wheel centers and a 4
th
line between the main wheel centers.
Measure the distance from 0.0 to the nose wheel line. This is X
1
and
X
2
.
Measure the distance from 0.0 to the main wheel line. This is Y
1
and Y
2
.
If the floats are seaplane floats, the scales go under the step point in the rear and a point towards
the front of the float. These distances are measured and become the same X and Y as for the
amphibian.
Scale Reading Distance from 0.0 Weight x Arm
Weight x Arm = Moment
Left Front
Right
Front
Left Rear
Right Rear
Totals
Notes:
1.
Zero out or deduct tare weights at the Y arm.
+
+ X
1
+
+
+ X
2
+
+
+ Y
1
+
+
+ Y
2
+
