Airplane Maintenance Manual
Bristell
B23
Chapter 08
Chapter 08 Page 2
Issue: 30-Sep-2020
08-10
Weighing and Balancing
Introduction
This section contains information about the aircraft empty weight and
centre of gravity as well as the procedure for its determination.
The range within the airplane may be safely operated is defined in
Chapter 08-10-02 Weight and Balance Envelope Limits.
Definitions
The basic airplane empty weight is defined as the empty aircraft with
full engine operational required fluids (oil and coolant) as well as with
the amount of unusable fuel in the fuel tanks (2 x 1.0 liter).
The centre of gravity lever arms relates to the airplane datum located
at the plane of engine propeller flange. Airplane level attitude is
defined as the fuselage top rivet row just below the canopy frame.
Figure 1
Weight and Balance Arms and Datum