General Authority of Civil Aviation (GACA) Aeronautical Information Publication (AIP) Practice Exam

Disable ads (and more) with a membership for a one time $4.99 payment

Study for the General Authority of Civil Aviation (GACA) Aeronautical Information Publication (AIP) Exam. Utilize our expertly crafted quizzes with flashcards and multiple choice questions, complete with hints and explanations. Prepare efficiently and excel in your exam!

Practice this question and more.

What is the purpose of pack STBY cooling mode?

To increase the temperature within the cabin
To serve as a backup when the normal mode fails
To cool the flight cabin only during takeoff
To increase pack pressure in emergencies

The correct answer is: To serve as a backup when the normal mode fails

The purpose of pack STBY cooling mode is to serve as a backup when the normal mode fails. This mode is designed to ensure that, in the event of a failure in the primary cooling system, the aircraft can still maintain an acceptable cabin environment. By switching to STBY (standby), the system can continue to provide necessary cooling, albeit potentially at a reduced efficiency or capacity compared to normal operation. This is crucial for passenger comfort and safety, especially when normal cooling methods are not operational. Other options describe functions that do not accurately represent the STBY cooling mode. Increasing cabin temperature or focusing cooling only during takeoff are not the roles of this mode. Similarly, while pack pressure can be adjusted in certain circumstances, it is not the primary function of the STBY cooling mode. The focus here is mainly on maintaining an operational cooling capability to support conditions in the cabin during potential system failures.