PSIA-AASI offers professional certification in all major snowsports disciplines. Start with Level I and work your way up to Level Ill, gain certification in multiple disciplines, or explore children’s …

Absolute pressure is measured relative to a full vacuum. The pressure of a vessel completely void of any air molecules would be 0 PSIA, while average atmospheric surface pressure (at sea …

PSIA, or pounds per square inch absolute, is the difference between the pressure you’re measuring and the pressure of a hard vacuum, which has essentially zero pressure. A good …

PSIA (Pounds per Square Inch Absolute): Measures pressure relative to a perfect vacuum, including atmospheric pressure. Essential in vacuum systems and scientific calculations.

PSIA-AASI-C – The Professional Ski Instructors of America and American Assosciation of Snowboard Instructors Central Division.

PSIA was founded in 1961 to develop a standardized system for teaching people and to unify instructors throughout the country. Since then the ASEA has grown to include 29,000 …

Also referred to as total pressure, PSIA refers to pressure relative to zero or a perfect vacuum. In a vacuum, if a tire were empty of air, it would measure 0 PSIA.

Want to join us or have questions about your membership? Find scheduled events and other opportunities to earn CEUs here. We aim to inspire lifelong learning for snowsports. We’re …

The Professional Ski Instructors of America – American Association of Snowboard Instructors (PSIA-AASI) is a membership-driven, nonprofit organization that supports snowsports …

Achieving PSIA-AASI certification isn’t just about earning a credential—it’s about mastering essential skills that set you apart. Learn how the American Teaching System helps you refine …