oat.aero

The Boeing 737 NG’s Nitrogen Generation System (NGS)

The Boeing 737 NG’s Nitrogen Generation System (NGS) is an intricate mechanism designed to enhance flight safety by reducing the risk of fuel tank fires. This system works by using hot bleed air from the aircraft’s left pneumatic manifold, processed to create nitrogen-enriched air for the center fuel tank, thereby lowering the risk of combustion.

Boeing 777 Air Systems

The Boeing 777’s air conditioning and pneumatics system is designed for efficiency and ease of operation, with automated controls minimizing crew actions. The system automatically adapts to various flight conditions, including automatically removing pneumatic loads in case of an airplane stall. Advanced Built-In Test Equipment (BITE) monitors system components to the Line Replaceable Unit (LRU) …

Boeing 777 Air Systems Read More »

Boeing 757 Pneumatic System – General Familiarisation

The Boeing 757’s pneumatic system regulates air for various crucial functions, such as air conditioning, engine starting, and ice protection, utilizing air from engines, the APU, or ground carts. The system’s user interfaces include the Total Air Temperature (TAT) probe, hydraulic reservoir pressurization, and water tank pressurization. Pressurised air is bled from two ports on …

Boeing 757 Pneumatic System – General Familiarisation Read More »

The 737 NG’s flight controls – general familiarisation

The 737 NG’s flight controls can be operated manually by pilots or automatically by the autopilot system. Aileron: Pilots move the aileron control wheels, which manage cables linked to the aileron’s Power Control Units (PCUs). These PCUs then control the ailerons. The autopilot can also give inputs to these PCUs, indirectly moving the ailerons. Additionally, …

The 737 NG’s flight controls – general familiarisation Read More »