638、The battery energizes the emergency exit light circuit.

685、This specification will meet the applicable government regulatory requirements

684、this specification was developed with the objective of minimizing the cost

683、This Specification has been developed in response to Federal Aviation Administration ( )h Advisory Circular AC91-60

682、this shows that you can install an alternative relay

681、This section must set forth each mandatory replacement time, structural inspection interval, and related structural inspection procedure enquired for type certification.

680、This section gives you the3 procedures for the disassembly

679、This section explains how to check flight instruments for recognizing malfunction.

678、This is the minimum flight speed at which the airplane is directionally and laterally controllable.

677、This figure shows the structure of the system.

676、This document provides supplemental information to the applicablemanual.in