During the introductory period of the B747 alone, about 4,000 pages had to be replaced or added to the manual each month.

There is one rigid bus assembly located at the rear of each of the power distribution panels.

The normal pitch control law is basically the closed loop control of the load factor, and includes flight envelope protections.

All the materials used to seal the tanks are fully resistant to all the fuels and the fuel additives.

There are two recirculation air filters installed behind the end wall lining at the aft end of the forward cargo compartment. The air filters are in filter housings on the left and the right side of the mix manifold bay.

In addition, the applicant must include an inspection program that includes the frequency and extent of the inspections necessary to provide for the continued airworthiness of the airplane.

The basic control and operation information describes how the airplane components and systems are controlled and how they operate, including any special procedures and limitations that apply.

Airplane maintenance manual or section includes introduction information such as an explanation of the airplane＇s features and data to the extent necessary for maintenance or preventive maintenance.

In such a case, the Title Page and the Table of Contents pages preceding each section of the Document must bear the actual date of issue.

The cover title and applicable airplane designation shall be prominently displayed on the cover or spine (or both) of the Handbook.

The Sections on "Limitations" and "Emergency Procedures" are placed ahead of "Normal Procedures", "Performance", "Weight and Balance" and other Sections to provide easier access to information that may be required in flight.