March 25th, 2017 A relief valve in an instrument vacuum system required to maintain the correct low pressure inside the instrument case for the proper operation of the gyros.
Categories About American Flyers About Planes Become a Pilot Featured Staff History Learn to Fly Life of a Pilot Student Interview Testing Training Uncategorized
Recent Posts The Basics of Stabilized Approaches May 24, 2022 Why the Double I? A Look at the Value of the CFI-I May 15, 2022 An Airline Academy Sets You up for Success! May 8, 2022 Training in Various Conditions Makes a Well-Rounded Pilot May 1, 2022