207 - ATPL - While inertial platform system is operating on board an aircraft, it is necessary to use a device with the following characteristics, in order to keep the vertical line with a pendulous system:

Question 207 - Aircraft General Knowledge - Instrumentation - ATPL - Airline Transport Pilot license

Without damping and a period of about 84 minutes
Without damping and a period of about 84 seconds
With damping and a period of about 84 minutes.
With damping and a period of 84 seconds

Training tests and timed exam simulations ATPL - Airline Transport Pilot license