Through which port does the engine supply bleed air to the heating system?

The engine supplies bleed air to the heating system through the P3 port, which is located on the right side of the engine. This port draws compressed air from the high-pressure stage of the engine's compressor, which is essential for the heating system in various aircraft applications, including cabin heating and thermal management.

The P3 port is specifically designed to handle the high-temperature, high-pressure air that is required for efficient operation. This air is then ducted and used for various systems, ensuring that the cockpit and cabin remain within comfortable operating temperatures. The effectiveness of the heating system relies on this bleed air, making the P3 port critical for maintaining overall comfort and system functionality within the aircraft.

Understanding the specifics of the engine bleed air system and its various ports is vital for pilots and maintenance personnel to troubleshoot and manage aircraft systems effectively.