This section ensures vital computers stay cool and cabin safety systems are armed.
A modern provides in-depth technical details on the following systems: Electrical System BAT (Battery): Controls the main battery.
A "deep" understanding of the panel requires breaking it down by system function:
Controls utility power to the cabin galleys and in-flight entertainment systems.
Steady green (right wingtip), red (left wingtip), and white (tail) lights used to indicate aircraft orientation. Summary Checklist for Flight Preparation Battery: ON (Guard Closed) Standby Power: AUTO (Guard Closed) Electrical: GRD PWR or APU GEN (ON) IRS Selectors: NAV (Input position coordinates) Emergency Exit Lights: ARMED (Guard Closed) Window Heat: ON Fuel Pumps: ON (as required by fuel load) Hydraulic Pumps: ON Air Conditioning Packs: AUTO / AUTO Pressurization: Set FLT ALT and LAND ALT
Manages engine bleed air and cabin temperature.
A "new" PDF ensures you are studying the correct layout for aircraft with or the Boeing Sky Interior (which, while primarily cabin-related, coincided with subtle overhead logic changes).
Do you need a based on this exact overhead structure?
This section is accessed most frequently by pilots during all phases of flight.
: Manages spoilers, yaw damper, and flight control switches.
