802、显示器左上角的数字表示相关的页面

521、Electronic devices that are-used in nearly all aircraft systems are the computer for system control and monitoring and the control inputs and indications in the cockpit and sensors throughout the whole aircraft.

520、Each manual shall carry a list of Chapters or Sections contained in it.

519、Each item of Airplane Performance shall include al statement of significant conditions associated with the data

518、Each handbook shall have a log of revisions or effective pages.

517、Each electrical system has a code to identify it.

516、Do these tasks in sequence to safely open the left and right thrust reversers on the applicable engine.

515、Do not loosen the nut to align it.

514、Do not go into the engine test area without approval.

513、Do not do this procedure in the hangar.

512、Do not disassemble or repair igniter plugs.