B747-400 BCF CBT – PRESSURIZATION SYSTEM

Course Information

This program contains the components, operations, controls and indications of the B747 Pressurization systems, and includes the following; a review of the components and operations of the pressurization systems to include the engine bleed air systems, pressure control valves, use of the APU bleed air for pressurization, operation of the outflow valves; and the normal and abnormal indications and operations of the pressurizations systems.

Content of the Course

Slide 106 Duration 00:22:55 Exam No
  • COURSE START
  • PRESSURIZATION
  • BASIC PRINCIPLES
    • Cabin altitude
    • Differential pressure
    • Cabin vertical speed
  • SYSTEM OVERVIEW
    • Cabin pressure controller (cpc)
    • Outflow valve
    • Interface control units (icus)
    • Positive pressure relief valves
    • Negative pressure relief valves
  • CONTROLS AND INDICATIONS
  • SYSTEM OPERATION
    • Automatic operation
    • Landing airport between 8,000 feetand 10,000 feet
    • Manual mode
  • CABIN PRESSURIZATION NON-NORMAL OPERATIONS
    • Excessive cabin altitude
    • Loss of automatic cabin pressure control
    • Failure of automatic outflow valve control
    • Landing altitude fault
  • COURSE END