How often must the Pitot Static system be checked for IFR aircraft?

For IFR (Instrument Flight Rules) aircraft, the Pitot Static system must be checked every 24 months to ensure its proper functioning. This requirement is outlined in the regulations governing avionics and safety. Regular checks of the Pitot Static system are crucial because any inaccuracies in altitude readings or airspeed can significantly impact the safety of flight operations.

The 24-month interval ensures that any potential malfunctions or errors are detected and rectified in a timely manner, thereby maintaining the reliability and accuracy of critical flight instruments such as the altimeter, airspeed indicator, and vertical speed indicator. By adhering to this timeframe, pilots and operators can ensure that their instruments remain compliant with regulatory requirements and safe for flight operations under IFR conditions.