Perform Static System Check 2

Question 1

Who is authorized to conduct a static system tests specified in 14 CFR 91.411?

Answer 1

A certified mechanic holding an airframe rating

Question 2

How much leakage is allowed in the static system of an unpressurized aircraft?

Answer 2

With a pressure differential of 1 inch of mercury, the system must show a loss of indicated altitude of more than 100 feet in one minute

Question 3

What indication on the on the altimeter shows that the pressure inside the static system has been decreased by 1 inch of mercury?

Answer 3

The altimeter will show an increase of approximately 1,000 feet

Question 4

When should a static system leak check be performed?

Answer 4

Any time the static system has been opened

Question 5

What should be done to the static port that is not being used to conduct the leak test?

Answer 5

It should be taped over in such a way that the tape can not be overlooked or forgotten when the test is complete

Question 6

How much leakage is allowed in the static system of a pressurized aircraft?

Answer 6

2 percent of the equivalent altitude of the maximum cabin differential pressure or 100 feet, whichever is the greater in one minute