How often must the pitot static system be checked?

How often must the pitot static system be checked? Altimeter/Pitot-Static System Check – Each altimeter and static pressure system must undergo an inspection to ensure accuracy and compliance with standards every 24 calendar months if the aircraft is to be used for IFR flight. How long is a pitot static check good for? May 2015. … Continue reading How often must the pitot static system be checked?