If you don’t need a high-altitude endorsement, but you want to understand what happens to your body when you fly at higher altitudes, then this course is for you. And, it complies with requirements for those who need recurrent training in high-altitude physiology. Helps you meet the requirements of Part 91K, paragraph 91.1065(a)(2), Part 125.287(8), and Part 135.345(b)(5).