What is the maximum cabin differential pressure during takeoff?

• A. 7.5 psi
• B. 8.0 psi
• C. 8.7 psi
• D. 9.0 psi

Answer: (C)

The maximum cabin differential pressure during takeoff for the CRJ 200 is indeed 8.7 psi. This limitation is crucial because maintaining the appropriate cabin pressure is essential for passenger comfort and safety, as well as for the structural integrity of the aircraft. If the cabin pressure exceeds this limit, it could potentially lead to issues such as structural damage or compromised oxygen supply for the passengers and crew.

Understanding this limitation helps pilots ensure that they adhere to operational requirements during takeoff and climb. It also aids in pre-flight planning and in preparing for any necessary actions should cabin pressure approaches this threshold unexpectedly.