Multiengine Airplane Weight and Balance Computations

Multiengine Airplane Weight and Balance Computations

Weight and balance computations for small multiengine
airplanes are similar to those discussed for single-engine
airplanes. See Figure 4-9 for an example of weight and
balance data for a typical light twin-engine airplane.

The airplane in this example was weighed to determine its
basic empty weight and EWCG. The weighing conditions
and results are:

Fuel drained -
Oil full -
Right wheel scales -1,084 lbs, tare 8 lbs
Left wheel scales - 1,148 lbs, tare 8 lbs
Nose wheel scales - 1,202 lbs, tare 14 lbs
Determine the Loaded CG

Beginning with the basic empty weight and EWCG and
using a chart such as the one in Figure 4-11, the loaded
weight and CG of the aircraft can be determined.

The aircraft is loaded as shown here:

Fuel (140 gal).................... 840 lbs
Front seats......................... 320 lbs
Row 2 seats....................... 310 lbs
Fwd. baggage.................... 100 lbs
Aft. baggage........................ 90 lbs