You can stow life vests in the space under the seats.

Airworthiness Limitations may also be included as part of the Pilot＇s Operating Handbook Limitations Section, or be included as a reference therein.

The Airworthiness Section must set forth each mandatory replacement time, structural inspection interval, and related structural inspection procedure required for type certification.

When the chapter/system element number is followed with zeros in the section/subsystem and subject/unit element number (28-00-00), the information is applicable to the entire system.

There are two types of numbering methods that may be used. For airplanes having an array of complex systems, the full System/chapter method of indexing is recommended. For small or relatively noncomplex airplanes, an abbreviated indexing method may be used.

When index numbering the maintenance manual, manufacturers may omit System/Chapters that are not applicable to the product or combine system/Chapters where it is feasible .

In aircraft maintenance, servicing refers to that servicing required on units as the result of the accomplishment of any other maintenance practice. It includes items such as the inflation or refilling of shock struts, the lubrication of control systems, the sterilizing of potable water systems, etc.

Phase letter "V" shall be used as a suffix on the cable identification code to identify the ungrounded wire or cable that is in a single-phase system.

A wire code consists of a circuit function code, wire number, wire segment letter and wire size.Frequently a suffix indicating ground ( N ) , phase (A, B, etc.) or thermocouple material(alumel, etc. ) is added.

In Wiring Diagram Manual, an alphabetical index by subject is to be included in the Introduction, as an assistance in locating the desired circuit.The index should show the chapter and subchapter in which a circuit of the system appears.

Revisions to a drawing are necessitated by changes in dimensions, design, or materials. When drawings contain such corrections, attention is directed to the changes by lettering or numbering them and listing those changes against the symbol in a revision block.