When the hydraulic pumps are off, the system pressure indication shows the pressure in the hydraulic reservoirs.

In the description of the airplane＇s Flight Controls, trimming arrangements shall be explained.

In the description of the airplane＇s Flight Controls, operating mechanism shall be described, and if necessary, sketches shall be provided.

In the description of the airplane＇s Airframe, seating arrangements available shall be described.

Describe each equipment list item and show its weight and airplane location, with respect to the datum.

Equipment without significant effect on the weight or balance of the airplane need not be listed.

The calculation procedures and “basic empty weight” data used in loading calculations shall be explained.

This paragraph describes the procedure for establishing weight and moment (relative to reference datum) of the empty airplane.

The manufacturer should use formats appropriate to the specific airplane and the size of the Pilot＇s Operating Handbook.

Additional weight and balance and related information may be provided.

Vertical Stabilizer Tip Rib Modification