Tecnam P92 Echo MKII, Flight Manual

Page: 87 / 162

Page 6 - 3
1
rd
Edition, Rev 0
Section 6 – Weight and Balance
WEIGHING PROCEDURES
2 W
EIGHING
P
ROCEDURE
P
REPARATION

Carry out weighing procedure inside closed hangar

Remove from cabin any objects left unintentionally

Insure on board presence of the Flight Manual

Align nose wheel

Drain fuel via the specific drain valve.

The unusable fuel for each tank must be considered (1.55 liter)

Oil, hydraulic fluid and coolant to operating levels

Move sliding seats to most forward position

Raise flaps to fully retracted position (0°)

Place control surfaces in neutral position

Place scales (min. capacity 200 kg) under each wheel
L
EVELLING

Level the aircraft.
Reference for levelling: remove a seat and then place a level between the
two seat’s fwd and aft supporting trusses.

Center bubble on level by deflating nose tire
W
EIGHING

Record weight shown on each scale

Repeat weighing procedure three times

Calculate empty weight
D
ETERMINATION OF
C.G. L
OCATION

Drop a plumb bob tangent to the leading edge (at 15mm inboard respect
the rib#7 riveting line) and trace reference mark on the floor.

Repeat operation for other wing.

Stretch a taught line between the two marks

Measure the distance between the reference line and main wheel axis

Using recorded data it is possible to determine the aircraft's C.G. location
and moment (see following table)