The laptop has three primary parts.

The Mooring section shall include equipment and materials required such as wheel chocks, mooring blocks, mooring cables, ect.;procedures such as ballasting, etc.;precautions and limitations such as control in high wind conditions, etc., and inspections for gust damage.

Precautions and limitations such as use of landing gear and control surface locks, minimum turning radius, maximum towing and pushing loads on nose landing gear, etc .

Cargo compartments have floor panels and linings. The linings keep smoke in the compartments and prevent damage to the lines and electrical wires.

The avionic compartments have: - heat and sound insulation, - maintenance lighting, - air-cooled racks for the electrical and electronic equipment and their related units.

Galley refers to the areas in which food and beverages are stored and prepared. Include items such as removable and fixed cabinets, ovens, refrigerator, garbage containers, dish racks, coffee maker, etc., if furnished as manufacturer designated standard equipment.

Data Transmission or Auto Calling, e.g. SELCAL, presents information derived from pulse-coded transmissions.

Communication system include the units and components which furnish a means of communicating from one part of the aircraft to another and between the aircraft and other aircraft or ground stations.

Auto Throttle includes engaging, sensing, computing, amplifying, controlling, actuating and warning devices such as amplifiers, computers, servos, limit switches, clutches, gear boxes, warning lights, etc.

Auto Throttle automatically controls the position of the throttles to properly blend engine power with flap position and aircraft pitch attitude during landing/approach and go around procedures.

Autopilot uses radio beam, vertical gyro, Pitot static and manually induced inputs to the system to automatically control yaw, pitch and roll of the aircraft.