What is the maximum differential pressure during pressurization for the CRJ 900?

The maximum differential pressure during pressurization for the CRJ 900 is indeed 8.7 psi. This limitation is crucial for the structural integrity of the aircraft during flight, as exceeding the maximum differential pressure could lead to structural damage, particularly in the fuselage and windows.

Understanding the limitations related to cabin pressurization helps pilots ensure safe operational practices. During flight, achieving the proper differential pressure is essential for maintaining a comfortable atmosphere for passengers while also ensuring that the aircraft's systems function correctly. It's important to operate within these limitations to guarantee the safety and reliability of the aircraft under varying atmospheric conditions.