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Doc. No. 6.01.05-E Revision 1 03-Mar-2003 Page 6 - 2
NOTE
Refer to Section 1.6 UNITS OF MEASUREMENT for conversion of SI units to US units and vice versa.
6.2 DATUM PLANE
The Datum Plane (DP) is a plane which is normal to the airplane’s longitudinal axis and in front of the airplane as seen from the direction of flight. The airplane’s longitudinal axis is parallel with the upper surface of a 600:31 wedge which is placed on top of the rear fuselage in front of the vertical stabilizer. When the upper surface of the wedge is aligned horizontally, the Datum Plane is vertical. The Datum Plane is located 2.194 meters
(86.38 in) forward of the most forward point of the root rib on the stub wing.
6.3 MASS AND BALANCE REPORT
The empty mass and the corresponding CG position established before delivery are the first entries in the Mass and Balance Report. Every change in permanently installed equipment, and every repair to the airplane which affects the empty mass or the empty mass CG must be recorded in the Mass and Balance Report.
For the calculation of flight mass and corresponding CG position (or moment), the current empty mass and the corresponding CG position (or moment) in accordance with the Mass and Balance Report must always be used.
Condition of the airplane for establishing the empty mass:
-Equipment as per Equipment Inventory (see Section 6.5)
-Including brake fluid, lubricant (6.0 liters = 6.3 qts), coolant (6.0 liters = 6.3 qts), % gearbox oil (0.9 liters = 0.95 qts), plus unusable fuel (2 US gal = approx. 7.6 liters).
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Doc. No. 6.01.05-E Revision 3 26-May-2003 Page 6 - 3
MASS AND BALANCE REPORT
(Continuous report on structural or equipment changes)
DA 40 D Serial No.: Registration: Page No.:
Date Entry No. Description of Part or Modification Changes in Mass Current Empty Mass
Addition (+) Subtraction (-)
Mass Moment Arm Moment Mass Moment Arm Moment Mass Moment Arm Moment
IN OUT [kg] [m] [kgm] [kg] [m] [kgm] [kg] [m] [kgm]
upon delivery
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Doc. No. 6.01.05-E Revision 1 03-Mar-2003 Page 6 - 4
6.4 FLIGHT MASS AND CENTER OF GRAVITY
The following information enables you to operate your DA 40 D within the permissible mass and balance limits. For the calculation of the flight mass and the corresponding CG position the following tables and diagrams are required:
6.4.1 MOMENT ARMS
6.4.2 LOADING DIAGRAM
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