ASA 2014 Instrument Pilot Test Prep Bundle (Book and Prepware) (ASA-TPB-I-14)

most airplanes have three different instrument systems the first one is your pitot-static system that feeds your altimeter your vertical speed indicator and airspeed indicator then you have your gyroscopic system which feeds the attitude indicator the heading indicator and a turn coordinator which in most cases is electrical and that's why it's not shown in this diagram and finally you have your compass let's start off with the pitot static system this system feeds three instruments your altimeter your airspeed indicator and the vertical speed indicator note that there's a test question that says that the regulations require you to inspect the pitot static system as well as the altimeter every 24 calendar months while your static vents provide pressure readings for all three instruments the pitot tube only provides readings for the airspeed indicator because the airspeed indicator is th